Every CVE Search/ Get API key

CVE-2018-20217

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17....

5.3 MediumFix available

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.42%Up 0.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.3

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Record
CVE-2018-20217
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:N/A:P
Weakness
CWE-617
Updated
2026-11-02
CVE List No score

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Record
CVE-2018-20217
Updated
2026-11-02
EUVDEUVD-2018-12784 No score

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Record
EUVD-2018-12784
Updated
2026-11-03
GitHub AdvisoriesGHSA-f4hc-rvh5-8phv 5.3

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17....

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Record
GHSA-f4hc-rvh5-8phv
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-617
Updated
2026-11-02
OSVALPINE-CVE-2018-20217 5.3

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Record
ALPINE-CVE-2018-20217
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2018-20217 5.3

CVE-2018-20217 does not affect BellSoft software

Record
BELL-CVE-2018-20217
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 12 moreShow less
OSV 5.3

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Record
CVE-2018-20217
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-20217 5.3

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Record
DEBIAN-CVE-2018-20217
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHBA-2019:2599 5.3

Red Hat Bug Fix Advisory: krb5 bug fix update

Record
RHBA-2019:2599
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-20217 5.3

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Record
UBUNTU-CVE-2018-20217
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVCLSA-2023-1675372649 No score

Fix CVE(s): CVE-2018-20217

  • SECURITY UPDATE: Possible KDC crash processing malformed S4U2Self request
    • debian/patches/CVE-2018-20217.patch: ignore password attributes for S4U2Self requests
    • CVE-2018-20217
Record
CLSA-2023-1675372649
Updated
2026-11-02
OSVMGASA-2019-0028 No score

Updated krb5 packages fix security vulnerability

An authenticated user who can obtain a TGT using an older encryption type (DES, DES3, or RC4) can cause an assertion failure in the KDC by sending an S4U2Self request (CVE-2018-20217).

Record
MGASA-2019-0028
Updated
2026-11-02
OSVopenSUSE-SU-2019:0063-1 No score

Security update for krb5

This update for krb5 fixes the following issues:

Security issue fixed:

  • CVE-2018-20217: Fixed an assertion issue with older encryption types (bsc#1120489)

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:0063-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11549-1 No score

krb5-1.19.2-3.1 on GA media

These are all security issues fixed in the krb5-1.19.2-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11549-1
Updated
2026-11-02
OSVSUSE-SU-2019:0111-1 No score

Security update for krb5

This update for krb5 fixes the following issues:

Security issue fixed:

  • CVE-2018-20217: Fixed an assertion issue with older encryption types (bsc#1120489)
Record
SUSE-SU-2019:0111-1
Updated
2026-11-02
OSVSUSE-SU-2019:0113-1 No score

Security update for krb5

This update for krb5 fixes the following issues:

Security issue fixed:

  • CVE-2018-20217: Fixed an assertion issue with older encryption types (bsc#1120489)
Record
SUSE-SU-2019:0113-1
Updated
2026-11-02
OSVSUSE-SU-2019:0113-2 No score

Security update for krb5

This update for krb5 fixes the following issues:

Security issue fixed:

  • CVE-2018-20217: Fixed an assertion issue with older encryption types (bsc#1120489)
Record
SUSE-SU-2019:0113-2
Updated
2026-11-02
OSVUSN-5828-1 No score

krb5 vulnerabilities

It was discovered that Kerberos incorrectly handled certain S4U2Self requests. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. (CVE-2018-20217)

Greg Hudson discovered that Kerberos PAC implementation incorrectly handled certain parsing operations. A remote attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2022-42898)

Record
USN-5828-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
krb5
Alpine:v3.10
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.11
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.12
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.13
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.14
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.15
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.16
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.17
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.18
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.19
 before 1.15.4-r0
1.15.4-r0
Show 98 moreShow less
Affected packages
PackageAffectedFixed
krb5
Alpine:v3.20
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.21
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.22
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.23
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.24
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.6
 before 1.14.3-r3
1.14.3-r3
krb5
Alpine:v3.7
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.8
 before 1.15.4-r0
1.15.4-r0
krb5
Alpine:v3.9
 before 1.15.4-r0
1.15.4-r0
krb5-admin-server
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-doc
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-gss-samples
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-k5tls
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-kdc
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-kdc-ldap
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-locales
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-multidev
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-otp
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-pkinit
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5-user
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libgssapi-krb5-2
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libgssrpc4
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libk5crypto3
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libkadm5clnt-mit9
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libkadm5srv-mit9
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libkdb5-8
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libkrad-dev
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libkrad0
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libkrb5-3
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libkrb5-dev
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
libkrb5support0
TuxCare:Ubuntu:16.04
 before 1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
1.13.2+dfsg-5ubuntu2.2+tuxcare.els2
krb5
Debian:12
 before 1.16.2-1
1.16.2-1
krb5
Debian:13
 before 1.16.2-1
1.16.2-1
krb5
Debian:14
 before 1.16.2-1
1.16.2-1
krb5
Debian:8
 before 1.12.1+dfsg-19+deb8u5, plus listed versions
1.12.1+dfsg-191.12.1+dfsg-19+deb8u11.12.1+dfsg-19+deb8u21.12.1+dfsg-19+deb8u4
1.12.1+dfsg-19+deb8u5
krb5
Debian:9
 before 1.15-1+deb9u3, plus listed versions
1.15-11.15-1+deb9u11.15-1+deb9u2
1.15-1+deb9u3
krb5
Mageia:6
 before 1.15.1-2.4.mga6
1.15.1-2.4.mga6
krb5
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-libs
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-pkinit
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-workstation
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
libkadm5
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-devel
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-server
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-server-ldap
Red Hat:enterprise_linux:7::client
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-libs
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-pkinit
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-workstation
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
libkadm5
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-devel
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-server
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-server-ldap
Red Hat:enterprise_linux:7::computenode
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-devel
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-libs
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-pkinit
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-server
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-server-ldap
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-workstation
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
libkadm5
Red Hat:enterprise_linux:7::server
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-devel
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-libs
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-pkinit
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-server
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-server-ldap
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5-workstation
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
libkadm5
Red Hat:enterprise_linux:7::workstation
 before 0:1.15.1-37.el7_7.2
0:1.15.1-37.el7_7.2
krb5
SUSE:OpenStack Cloud 7
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Desktop 12 SP3
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Desktop 12 SP4
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Software Development Kit 12 SP3
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Software Development Kit 12 SP4
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Server 12 SP2-LTSS
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Server 12 SP2-BCL
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Server 12 SP3
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Server 12 SP4
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Enterprise Storage 4
 before 1.12.5-40.31.1
1.12.5-40.31.1
krb5
SUSE:Linux Enterprise Server 12-LTSS
 before 1.12.1-38.13.2
1.12.1-38.13.2
krb5
SUSE:Linux Enterprise Server 12 SP1-LTSS
 before 1.12.1-38.13.2
1.12.1-38.13.2
krb5
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 1.12.1-38.13.2
1.12.1-38.13.2
krb5
Ubuntu:Pro:14.04:LTS
 before 1.12+dfsg-2ubuntu5.4+esm1, plus listed versions
1.10.1+dfsg-6.1ubuntu11.11.3+dfsg-3ubuntu21.12+dfsg-2ubuntu11.12+dfsg-2ubuntu21.12+dfsg-2ubuntu3
Show 7 moreShow less
1.12+dfsg-2ubuntu41.12+dfsg-2ubuntu4.21.12+dfsg-2ubuntu51.12+dfsg-2ubuntu5.11.12+dfsg-2ubuntu5.21.12+dfsg-2ubuntu5.31.12+dfsg-2ubuntu5.4
1.12+dfsg-2ubuntu5.4+esm1
krb5
Ubuntu:Pro:16.04:LTS
 before 1.13.2+dfsg-5ubuntu2.2+esm3, plus listed versions
1.13.2+dfsg-21.13.2+dfsg-31.13.2+dfsg-41.13.2+dfsg-51.13.2+dfsg-5ubuntu1
Show 4 moreShow less
1.13.2+dfsg-5ubuntu21.13.2+dfsg-5ubuntu2.11.13.2+dfsg-5ubuntu2.1+esm11.13.2+dfsg-5ubuntu2.2
1.13.2+dfsg-5ubuntu2.2+esm3
krb5
Ubuntu:18.04:LTS
 before 1.16-2ubuntu0.3, plus listed versions
1.15.1-21.16-21.16-2build11.16-2ubuntu0.11.16-2ubuntu0.2
1.16-2ubuntu0.3
krb5
Ubuntu:Pro:14.04:LTS
 before 1.12+dfsg-2ubuntu5.4+esm3, plus listed versions
1.10.1+dfsg-6.1ubuntu11.11.3+dfsg-3ubuntu21.12+dfsg-2ubuntu11.12+dfsg-2ubuntu21.12+dfsg-2ubuntu3
Show 9 moreShow less
1.12+dfsg-2ubuntu41.12+dfsg-2ubuntu4.21.12+dfsg-2ubuntu51.12+dfsg-2ubuntu5.11.12+dfsg-2ubuntu5.21.12+dfsg-2ubuntu5.31.12+dfsg-2ubuntu5.41.12+dfsg-2ubuntu5.4+esm11.12+dfsg-2ubuntu5.4+esm2
1.12+dfsg-2ubuntu5.4+esm3
krb5
Ubuntu:20.04:LTS
 before 1.17-6ubuntu4.2, plus listed versions
1.17-61.17-6ubuntu31.17-6ubuntu41.17-6ubuntu4.1
1.17-6ubuntu4.2
krb5
Ubuntu:22.04:LTS
 before 1.19.2-2ubuntu0.1, plus listed versions
1.18.3-61.18.3-71.19.2-0ubuntu11.19.2-11.19.2-2
1.19.2-2ubuntu0.1
krb5
openSUSE:Leap 15.0
 before 1.15.2-lp150.5.3.1
1.15.2-lp150.5.3.1
krb5-mini
openSUSE:Leap 15.0
 before 1.15.2-lp150.5.3.1
1.15.2-lp150.5.3.1
krb5
openSUSE:Tumbleweed
 before 1.19.2-3.1
1.19.2-3.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-20217 is a medium vulnerability (CVSS 5.3) in Mit Kerberos, published December 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.42%, the 72nd percentile. Fixed in krb5 1.15.4-r0.

References

Show 25 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open