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Fencer Intel
medium 5.8

CVE-2012-5356 json

The apt-add-repository tool in Ubuntu Software Properties 0.75.x before 0.75.10.3, 0.80.x before 0.80.9.2, 0.81.x before 0.81.13.5, 0.82.x…

published 2012-10-10 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5277

cvss
5.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

The apt-add-repository tool in Ubuntu Software Properties 0.75.x before 0.75.10.3, 0.80.x before 0.80.9.2, 0.81.x before 0.81.13.5, 0.82.x before 0.82.7.3, and 0.92.x before 0.92.8 does not properly check PPA GPG keys imported from a keyserver, which allows remote attackers to install arbitrary package repository GPG keys via a man-in-the-middle (MITM) attack.

Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.