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Medium 5.8Published Oct 9, 2013
CVE-2013-4351GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass int…
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No exploitation reported and no EPSS estimate yet.
GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey.
- CVSS
- 5.8 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:P/I:P/A:N
- Weakness (CWE)
- CWE-310
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jun 16, 2026
- First seen by InfoSec Signals
- Nov 1, 2026
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