CVE-2010-4764
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings...
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.
Exploit likelihood
What each source reports
NVD Score used
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.
- Record
CVE-2010-4764- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.
- Record
CVE-2010-4764- Updated
- 2026-11-02
EUVDEUVD-2010-4729 No score
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.
- Record
EUVD-2010-4729- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6gv9-qq2x-7jw6 No score
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings...
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.
- Record
GHSA-6gv9-qq2x-7jw6- Updated
- 2026-11-02
OSV No score
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.
- Record
CVE-2010-4764- Updated
- 2026-11-02
OSVDEBIAN-CVE-2010-4764 No score
Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.
- Record
DEBIAN-CVE-2010-4764- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
otrs2Debian:11 |
before 2.4.10+dfsg1-1, plus listed versions 2.0.4p01-102.0.4p01-112.0.4p01-122.0.4p01-132.0.4p01-14 Show 45 moreShow less2.0.4p01-14.12.0.4p01-152.0.4p01-162.0.4p01-172.0.4p01-182.0.4p01-62.0.4p01-72.0.4p01-82.0.4p01-92.0.99beta1-12.0.99beta1-22.1.1-12.1.3-12.1.4-12.1.4-22.1.5-12.1.5-22.1.5-32.1.6-12.1.7-12.1.7-22.2.0~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 |
2.4.10+dfsg1-1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-4764 is a medium vulnerability (CVSS 5.0) in Otrs, published March 18, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. Fixed in otrs2 2.4.10+dfsg1-1.
References
Left out here: 25 versions. The JSON record has them.