Vulnerability Database

300,445

Total vulnerabilities in the database

CVE-2013-4351

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.

  • Published: Oct 10, 2013
  • Updated: Nov 9, 2025
  • CVE: CVE-2013-4351
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:N

CWEs:

Software From Fixed in
gnupg / gnupg 1.4.8 1.4.8.x
gnupg / gnupg 1.4.10 1.4.10.x
gnupg / gnupg 1.4.4 1.4.4.x
gnupg / gnupg 1.4.0 1.4.0.x
gnupg / gnupg 1.4.6 1.4.6.x
gnupg / gnupg 1.4.13 1.4.13.x
gnupg / gnupg 1.4.12 1.4.12.x
gnupg / gnupg 1.4.2 1.4.2.x
gnupg / gnupg 1.4.11 1.4.11.x
gnupg / gnupg 1.4.3 1.4.3.x
gnupg / gnupg 1.4.5 1.4.5.x
gnupg / gnupg 2.0.1 2.0.1.x
gnupg / gnupg 2.0.7 2.0.7.x
gnupg / gnupg 2.0.15 2.0.15.x
gnupg / gnupg 2.0.8 2.0.8.x
gnupg / gnupg 2.0.11 2.0.11.x
gnupg / gnupg 2.0.6 2.0.6.x
gnupg / gnupg 2.0.10 2.0.10.x
gnupg / gnupg 2.0.13 2.0.13.x
gnupg / gnupg 2.0 2.0.x
gnupg / gnupg 2.0.5 2.0.5.x
gnupg / gnupg 2.0.17 2.0.17.x
gnupg / gnupg 2.0.12 2.0.12.x
gnupg / gnupg 2.0.18 2.0.18.x
gnupg / gnupg 2.0.16 2.0.16.x
gnupg / gnupg 2.0.14 2.0.14.x
gnupg / gnupg 2.0.4 2.0.4.x
gnupg / gnupg 2.0.3 2.0.3.x
gnupg / gnupg 2.0.19 2.0.19.x
gnupg / gnupg 2.1.0-beta1 2.1.0-beta1.x