6.3

CVE-2020-8031: opensuse open_build_service Cross-site Scripting

CVSS: 6.3v3.1MediumModified
AliasesUBUNTU-CVE-2020-8031DEBIAN-CVE-2020-8031
Published 11-02-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2020-8031 is a medium (CVSS 6.3) Cross-site Scripting vulnerability in opensuse open_build_service. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.74%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 11-02-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Open Build Service allows remote attackers to store JS code in markdown that is not properly escaped, impacting confidentiality and integrity. This issue affects: Open Build Service versions prior to 2.10.8.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.74%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.75% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.74%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.suse.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • open-build-service< 2.9.4-4
Opensuse1 product
Ubuntu1 product
  • open-build-serviceAll versions (No fix recorded)

3 vendors · 3 products

References

4 links