7.8

CVE-2021-3899: canonical ltd. apport

CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2021-3899
Published 03-06-2024Last modified 19-08-2024

Vulnerability summary

CVE-2021-3899 is a high (CVSS 7.8) vulnerability in canonical ltd. apport. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.38%
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. 03-06-2024
    PublishedVulnerability first disclosed.
  2. 19-08-2024
    Last modifiedVulnerability information updated.

Description

There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

0.00 pp

From 0.38% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.38%

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
Canonical ltd.1 product
Ubuntu1 product
  • apportAll versions (No fix recorded) | < 2.20.1-0ubuntu2.30+esm4 | < 2.20.9-0ubuntu7.28 | < 2.20.11-0ubuntu27.24 | < 2.20.11-0ubuntu82.1

3 vendors · 4 products

References

5 links