Every CVE Search/ Get API key

CVE-2020-14928

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and...

5.9 MediumFix available

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

2.81%Up 0.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.9

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Record
CVE-2020-14928
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-74
Updated
2026-11-02
CVE List No score

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Record
CVE-2020-14928
Updated
2026-11-02
EUVDEUVD-2020-7064 No score

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Record
EUVD-2020-7064
Updated
2026-11-03
GitHub AdvisoriesGHSA-3rg7-72j5-5xpv No score

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and...

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Record
GHSA-3rg7-72j5-5xpv
Updated
2026-11-02
OSV 5.9

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Record
CVE-2020-14928
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2020-14928 5.9

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Record
DEBIAN-CVE-2020-14928
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
Show 12 moreShow less
OSVOESA-2022-1785 5.9

evolution-data-server security update

The evolution-data-server package provides a personal information management application that provides integrated mail, calendaring and address book functionality. The evolution-data-server package provides a single database for common, desktop-wide information, such as a user's address book or calendar events.

Security Fix(es):

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."(CVE-2020-14928)

Record
OESA-2022-1785
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVRHSA-2020:4649 5.3

Red Hat Security Advisory: evolution security and bug fix update

Record
RHSA-2020:4649
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVRLSA-2020:4649 5.3

Low: evolution security and bug fix update

Evolution is a GNOME application that provides integrated email, calendar, contact management, and communications functionality.

The evolution-data-server packages provide a unified back end for applications which interact with contacts, tasks and calendar information. Evolution Data Server was originally developed as a back end for the Evolution information management application, but is now used by various other applications.

OpenChange provides libraries to access Microsoft Exchange servers using native protocols.

Security Fix(es):

  • evolution-data-server: Response injection via STARTTLS in SMTP and POP3 (CVE-2020-14928)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.3 Release Notes linked from the References section.

Record
RLSA-2020:4649
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2020-14928 5.9

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Record
UBUNTU-CVE-2020-14928
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVALSA-2020:4649 No score

Low: evolution security and bug fix update

Evolution is a GNOME application that provides integrated email, calendar, contact management, and communications functionality.

The evolution-data-server packages provide a unified back end for applications which interact with contacts, tasks and calendar information. Evolution Data Server was originally developed as a back end for the Evolution information management application, but is now used by various other applications.

OpenChange provides libraries to access Microsoft Exchange servers using native protocols.

Security Fix(es):

  • evolution-data-server: Response injection via STARTTLS in SMTP and POP3 (CVE-2020-14928)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2020:4649
Updated
2026-11-02
OSVMGASA-2020-0351 No score

Updated evolution-data-server packages fix security vulnerabilities

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection". (CVE-2020-14928)

In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server. (CVE-2020-16117)

Record
MGASA-2020-0351
Updated
2026-11-02
OSVopenSUSE-SU-2021:0482-1 No score

Security update for evolution-data-server

This update for evolution-data-server fixes the following issues:

  • CVE-2020-16117: Fix crash on malformed server response with minimal capabilities (bsc#1174712).
  • CVE-2020-14928: Response injection via STARTTLS in SMTP and POP3 (bsc#1173910).
  • Fix buffer overrun when parsing base64 data (bsc#1182882).

This update for evolution-ews fixes the following issue:

  • Fix buffer overrun when parsing base64 data (bsc#1182882).

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Record
openSUSE-SU-2021:0482-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10744-1 No score

evolution-data-server-3.40.4-1.4 on GA media

These are all security issues fixed in the evolution-data-server-3.40.4-1.4 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10744-1
Updated
2026-11-02
OSVSUSE-SU-2021:0885-1 No score

Security update for evolution-data-server

This update for evolution-data-server fixes the following issues:

  • Fix buffer overrun when parsing base64 data (bsc#1182882).
  • CVE-2020-16117: Fix crash on malformed server response with minimal capabilities (bsc#1174712).
  • CVE-2020-14928: Response injection via STARTTLS in SMTP and POP3 (bsc#1173910).
Record
SUSE-SU-2021:0885-1
Updated
2026-11-02
OSVSUSE-SU-2021:0891-1 No score

Security update for evolution-data-server

This update for evolution-data-server fixes the following issues:

  • Fix buffer overrun when parsing base64 data (bsc#1182882).
  • CVE-2020-16117: Fix crash on malformed server response with minimal capabilities (bsc#1174712).
  • CVE-2020-14928: Response injection via STARTTLS in SMTP and POP3 (bsc#1173910).
Record
SUSE-SU-2021:0891-1
Updated
2026-11-02
OSVSUSE-SU-2021:0949-1 No score

Security update for evolution-data-server

This update for evolution-data-server fixes the following issues:

  • CVE-2020-16117: Fix crash on malformed server response with minimal capabilities (bsc#1174712).
  • CVE-2020-14928: Response injection via STARTTLS in SMTP and POP3 (bsc#1173910).
  • Fix buffer overrun when parsing base64 data (bsc#1182882).

This update for evolution-ews fixes the following issue:

  • Fix buffer overrun when parsing base64 data (bsc#1182882).
Record
SUSE-SU-2021:0949-1
Updated
2026-11-02
OSVUSN-4429-1 No score

evolution-data-server vulnerability

It was discovered that Evolution Data Server incorrectly handled STARTTLS when using SMTP and POP3. A remote attacker could possibly use this issue to perform a response injection attack.

Record
USN-4429-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
bogofilter
AlmaLinux:8
before 1.2.5-2.el8
1.2.5-2.el8
evolution-data-server-doc
AlmaLinux:8
before 3.28.5-14.el8
3.28.5-14.el8
evolution-data-server-perl
AlmaLinux:8
before 3.28.5-14.el8
3.28.5-14.el8
evolution-data-server-tests
AlmaLinux:8
before 3.28.5-14.el8
3.28.5-14.el8
evolution-devel
AlmaLinux:8
before 3.28.5-14.el8
3.28.5-14.el8
evolution-data-server
Debian:12
before 3.36.4-1
3.36.4-1
evolution-data-server
Debian:13
before 3.36.4-1
3.36.4-1
evolution-data-server
Debian:14
before 3.36.4-1
3.36.4-1
evolution-data-server
Debian:9
before 3.22.7-1+deb9u1, plus listed versions
3.22.7-1
3.22.7-1+deb9u1
evolution-data-server
Debian:10
before 3.30.5-1+deb10u1, plus listed versions
3.30.5-1
3.30.5-1+deb10u1
Show 56 moreShow less
Affected packages
PackageAffectedFixed
evolution-data-server
Mageia:7
From an advisory covering 2 CVEs
before 3.32.2-1.2.mga7
3.32.2-1.2.mga7
evolution-data-server
openEuler:20.03-LTS-SP1
before 3.30.1-5.oe1
3.30.1-5.oe1
evolution-data-server
openEuler:20.03-LTS-SP3
before 3.30.1-5.oe1
3.30.1-5.oe1
bogofilter
Red Hat:enterprise_linux:8::appstream
before 0:1.2.5-2.el8
0:1.2.5-2.el8
bogofilter-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:1.2.5-2.el8
0:1.2.5-2.el8
bogofilter-debugsource
Red Hat:enterprise_linux:8::appstream
before 0:1.2.5-2.el8
0:1.2.5-2.el8
evolution
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-bogofilter
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-bogofilter-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-debugsource
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-devel
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-langpacks
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-tests-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-debugsource
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-help
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-langpacks
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-mapi
Red Hat:enterprise_linux:8::appstream
before 0:3.28.3-3.el8
0:3.28.3-3.el8
evolution-mapi-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:3.28.3-3.el8
0:3.28.3-3.el8
evolution-mapi-debugsource
Red Hat:enterprise_linux:8::appstream
before 0:3.28.3-3.el8
0:3.28.3-3.el8
evolution-mapi-langpacks
Red Hat:enterprise_linux:8::appstream
before 0:3.28.3-3.el8
0:3.28.3-3.el8
evolution-pst
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-pst-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-spamassassin
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-spamassassin-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:3.28.5-14.el8
0:3.28.5-14.el8
openchange
Red Hat:enterprise_linux:8::appstream
before 0:2.3-26.el8
0:2.3-26.el8
openchange-client-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:2.3-26.el8
0:2.3-26.el8
openchange-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:2.3-26.el8
0:2.3-26.el8
openchange-debugsource
Red Hat:enterprise_linux:8::appstream
before 0:2.3-26.el8
0:2.3-26.el8
evolution-bogofilter-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-debugsource
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-doc
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-perl
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-tests
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-data-server-tests-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-debugsource
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-devel
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-pst-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
evolution-spamassassin-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:3.28.5-14.el8
0:3.28.5-14.el8
bogofilter
Rocky Linux:8
before 0:1.2.5-2.el8
0:1.2.5-2.el8
evolution-mapi
Rocky Linux:8
before 0:3.28.3-3.el8
0:3.28.3-3.el8
evolution-data-server
SUSE:Linux Enterprise Workstation Extension 12 SP5
From an advisory covering 2 CVEs
before 3.20.6-17.3.1
3.20.6-17.3.1
evolution-data-server
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 2 CVEs
before 3.22.7-18.7.1
3.22.7-18.7.1
evolution-data-server
SUSE:Linux Enterprise Workstation Extension 12 SP5
From an advisory covering 2 CVEs
before 3.22.7-18.7.1
3.22.7-18.7.1
evolution-data-server
SUSE:Linux Enterprise Workstation Extension 15 SP2
From an advisory covering 2 CVEs
before 3.34.4-3.3.1
3.34.4-3.3.1
evolution-ews
SUSE:Linux Enterprise Workstation Extension 15 SP2
From an advisory covering 2 CVEs
before 3.34.4-3.3.1
3.34.4-3.3.1
evolution-data-server
Ubuntu:16.04:LTS
before 3.18.5-1ubuntu1.3, plus listed versions
3.16.5-1ubuntu33.18.1-1ubuntu13.18.2-0ubuntu13.18.2-0ubuntu23.18.3-1ubuntu1
Show 5 moreShow less
3.18.3-1ubuntu23.18.4-0ubuntu13.18.5-1ubuntu13.18.5-1ubuntu1.13.18.5-1ubuntu1.2
3.18.5-1ubuntu1.3
evolution-data-server
Ubuntu:18.04:LTS
before 3.28.5-0ubuntu0.18.04.3, plus listed versions
3.26.1-1ubuntu13.26.2-1ubuntu13.26.2.1-1ubuntu13.26.2.1-1ubuntu33.26.3-1ubuntu1
Show 9 moreShow less
3.26.5-1ubuntu33.27.90-1ubuntu13.28.0-1ubuntu13.28.0-2ubuntu13.28.0-2ubuntu23.28.1-1ubuntu13.28.3-0ubuntu0.18.04.13.28.5-0ubuntu0.18.04.13.28.5-0ubuntu0.18.04.2
3.28.5-0ubuntu0.18.04.3
evolution-data-server
Ubuntu:20.04:LTS
before 3.36.3-0ubuntu1.1, plus listed versions
3.34.1-13.34.1-1build13.34.1-1ubuntu13.34.1-23.34.3-2
Show 7 moreShow less
3.35.91-13.35.92-13.36.0-13.36.1-13.36.1-23.36.2-0ubuntu13.36.3-0ubuntu1
3.36.3-0ubuntu1.1
evolution-data-server
openSUSE:Leap 15.2
From an advisory covering 2 CVEs
before 3.34.4-lp152.2.3.1
3.34.4-lp152.2.3.1
evolution-ews
openSUSE:Leap 15.2
From an advisory covering 2 CVEs
before 3.34.4-lp152.2.3.1
3.34.4-lp152.2.3.1
evolution-data-server
openSUSE:Tumbleweed
From an advisory covering 3 CVEs
before 3.40.4-1.4
3.40.4-1.4

History

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

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

In short

CVE-2020-14928 is a medium vulnerability (CVSS 5.9) in Gnome Evolution-data-server, published July 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.81%, the 86th percentile. Fixed in bogofilter 1.2.5-2.el8.

References

Show 39 moreShow less
MoveEnter Open