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CVE-2020-1774

Information disclosure

4.5 MediumFix available

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.85%Up 0.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 4.5

Information disclosure

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.

Record
CVE-2020-1774
CVSS 3.1
4.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Weakness
CWE-201
Updated
2026-11-02
EUVDEUVD-2020-12600 4.5

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.

Record
EUVD-2020-12600
CVSS 3.1
4.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-5g6p-jp4c-37q4 4.9

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and...

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.

Record
GHSA-5g6p-jp4c-37q4
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-201
Updated
2026-11-02
NVD 4.5

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.

Record
CVE-2020-1774
CVSS 3.1
4.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness
CWE-201
Updated
2026-11-02
OSV 4.9

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.

Record
CVE-2020-1774
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2020-1774 4.9

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.

Record
DEBIAN-CVE-2020-1774
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2020-1774 4.5

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.

Record
UBUNTU-CVE-2020-1774
CVSS 3.1
4.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
otrs2
Debian:11
 before 6.0.28-1, plus listed versions
2.0.4p01-102.0.4p01-112.0.4p01-122.0.4p01-132.0.4p01-14
Show 45 moreShow less
2.0.4p01-14.12.0.4p01-152.0.4p01-162.0.4p01-172.0.4p01-182.0.4p01-62.0.4p01-72.0.4p01-82.0.4p01-92.0.99beta1-12.0.99beta1-22.1.1-12.1.3-12.1.4-12.1.4-22.1.5-12.1.5-22.1.5-32.1.6-12.1.7-12.1.7-22.2.0~beta2-12.2.0~beta3-12.2.1-12.2.2-12.2.3-12.2.4-12.2.5-12.2.5-22.2.6-12.2.7-12.2.7-22.2.7-2lenny12.2.7-2lenny22.2.7-2lenny32.2.7-32.3.2-12.3.2-22.3.3-12.3.4-12.3.4-22.3.4-32.3.4-42.3.4-52.3.4-6
6.0.28-1
otrs2
Debian:8
From an advisory covering 3 CVEs
 before 3.3.18-1+deb8u15, plus listed versions
3.3.10-13.3.11-13.3.18-1+deb8u13.3.18-1+deb8u103.3.18-1+deb8u11
Show 16 moreShow less
3.3.18-1+deb8u123.3.18-1+deb8u133.3.18-1+deb8u143.3.18-1+deb8u23.3.18-1+deb8u33.3.18-1+deb8u43.3.18-1+deb8u53.3.18-1+deb8u63.3.18-1+deb8u73.3.18-1+deb8u83.3.18-1+deb8u93.3.18-1~deb7u13.3.18-1~deb7u23.3.18-1~deb7u33.3.9-33.3.9-3+deb8u1
3.3.18-1+deb8u15
otrs2
Debian:10
From an advisory covering 32 CVEs
 before 6.0.16-2+deb10u1, plus listed versions
2.0.4p01-102.0.4p01-112.0.4p01-122.0.4p01-132.0.4p01-14
Show 45 moreShow less
2.0.4p01-14.12.0.4p01-152.0.4p01-162.0.4p01-172.0.4p01-182.0.4p01-62.0.4p01-72.0.4p01-82.0.4p01-92.0.99beta1-12.0.99beta1-22.1.1-12.1.3-12.1.4-12.1.4-22.1.5-12.1.5-22.1.5-32.1.6-12.1.7-12.1.7-22.2.0~beta2-12.2.0~beta3-12.2.1-12.2.2-12.2.3-12.2.4-12.2.5-12.2.5-22.2.6-12.2.7-12.2.7-22.2.7-2lenny12.2.7-2lenny22.2.7-2lenny32.2.7-32.3.2-12.3.2-22.3.3-12.3.4-12.3.4-22.3.4-32.3.4-42.3.4-52.3.4-6
6.0.16-2+deb10u1
otrs2
Ubuntu:16.04:LTS
 All versions, plus listed versions
4.0.10-15.0.1-15.0.1-25.0.2-15.0.3-15.0.5-15.0.6-15.0.7-1
 None known
otrs2
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.0.23-15.0.24-16.0.1-16.0.2-16.0.3-16.0.4-16.0.5-1
 None known
otrs2
Ubuntu:20.04:LTS
 All versions, plus listed versions
6.0.20-16.0.23-26.0.24-16.0.25-16.0.25-26.0.25-36.0.26-1
 None known

History

History
RecordedChangedSources
affected, facts
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2020-1774 is a medium vulnerability (CVSS 4.5) in Otrs, published April 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. Fixed in otrs2 6.0.28-1.

References

This page doesn't list everything

Left out here: 358 versions. The JSON record has them.

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