3.8

CVE-2021-32556: canonical apport OS Command Injection

CVSS: 3.8v3.1LowModified
AliasesUBUNTU-CVE-2021-32556
Published 12-06-2021Last modified 16-09-2024

Vulnerability summary

CVE-2021-32556 is a low (CVSS 3.8) OS Command Injection vulnerability in canonical apport. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25% of scored vulnerabilities.

Overall risk
15/100
0100
Low · default modelHow is this calculated?
CVSS score
3.8/10
010
Low · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 12-06-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

It was discovered that the get_modified_conffiles() function in backends/packaging-apt-dpkg.py allowed injecting modified package names in a manner that would confuse the dpkg(1) call.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

0.00 pp

From 0.33% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.33%

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

Canonical1 product
  • apport≥ 2.14.1-0ubuntu3, < 2.14.1-0ubuntu3.29\+esm7 | ≥ 2.20.1, < 2.20.1-0ubuntu2.30\+esm1 | ≥ 2.20.9, < 2.20.9-0ubuntu7.24 | ≥ 2.20.11-0ubuntu27, < 2.20.11-0ubuntu27.18 | ≥ 2.20.11-0ubuntu50, < 2.20.11-0ubuntu50.7 | ≥ 2.20.11-0ubuntu65, < 2.20.11-0ubuntu65.1
Ubuntu1 product
  • apport< 2.14.1-0ubuntu3.29+esm7 | < 2.20.1-0ubuntu2.30+esm1 | < 2.20.9-0ubuntu7.24 | < 2.20.11-0ubuntu27.18

2 vendors · 2 products

References

5 links