CVE-2010-4764: n/a vulnerability

CVE-2010-4764: Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about inco...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 17:58 UTC (UTC+00:00)

Security readout for executives and security teams

This issue affects older OTRS ticketing systems that handled encrypted email. The system could fail to warn staff when an incoming encrypted message used a revoked PGP or GPG key, making spoofed email communication easier to trust. Exposure is likely limited to organizations running the named older OTRS versions with encrypted inbound email workflows using PGP or GPG keys. Prioritize remediation if OTRS is still used for sensitive support, legal, security, or customer communication. For systems not using encrypted inbound mail, urgency is lower but version retirement should still be planned. Mitigation focus: Upgrade OTRS 2.4 deployments to 2.4.10 or later.; Upgrade OTRS 3.x deployments to 3.0.3 or later.; Check current vendor guidance for supported releases and migration notes..

Prepared: Jun 24, 2026, 13:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 18, 2011, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

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