5.5

CVE-2020-15709: canonical add-apt-repository Improper Input Validation

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-15709USN-4457-1USN-4457-2
Published 05-09-2020Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2020-15709 is a medium (CVSS 5.5) Improper Input Validation vulnerability in canonical add-apt-repository. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.33%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-09-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Versions of add-apt-repository before 0.98.9.2, 0.96.24.32.14, 0.96.20.10, and 0.92.37.8ubuntu0.1~esm1, printed a PPA (personal package archive) description to the terminal as-is, which allowed PPA owners to provide ANSI terminal escapes to modify terminal contents in unexpected ways.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.01 pp

From 0.31% on 19-09-2026

19-09-202619-10-2026
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
  • add-apt-repository≥ 0.98.9.*, < 0.98.9.2 | ≥ 0.96.24.32.*, < 0.96.24.32.14 | ≥ 0.96.20.*, < 0.96.20.10 | ≥ 0.92.37.*, < 0.92.37.8ubuntu0.1~esm1 | ≥ 0.92.37.0, < 0.92.37.8ubuntu0.1\~esm1 | ≥ 0.96.20.0, < 0.96.20.10 | ≥ 0.96.24.32.0, < 0.96.24.32.14 | ≥ 0.98.9.0, < 0.98.9.2
Debian1 product
  • software-propertiesAll versions (No fix recorded) | < 0.96.20.2-1+deb9u1
Ubuntu1 product
  • software-properties< 0.96.20.10 | < 0.96.24.32.14 | < 0.98.9.2 | < 0.92.37.8ubuntu0.1~esm1

3 vendors · 3 products

References

7 links