4.3

CVE-2011-4407: canonical software-properties Improper Input Validation

CVSS: 4.3v2.0MediumModified
AliasesDEBIAN-CVE-2011-4407
Published 14-05-2014Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2011-4407 is a medium (CVSS 4.3) Improper Input Validation vulnerability in canonical software-properties. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.3% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
0.63%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-05-2014
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

ppa.py in Software Properties before 0.81.13.3 does not validate the server certificate when downloading PPA GPG key fingerprints, which allows man-in-the-middle (MITM) attackers to spoof GPG keys for a package repository.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.63%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

0.00 pp

From 0.63% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.63%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Canonical2 products
Debian1 product
  • software-properties< 0.76.7debian2+nmu2

2 vendors · 3 products

References

3 links