6.5

CVE-2020-15652: canonical ubuntu_linux Origin Validation Error

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-15652DEBIAN-CVE-2020-15652
Published 10-08-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-15652 is a medium (CVSS 6.5) Origin Validation Error vulnerability in canonical ubuntu_linux. EPSS estimates a 1.26% chance of exploitation in the next 30 days, higher than 69.2% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.26%
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 30 · Related 14
DLA-2297-1DLA-2310-1DSA-4736-1DSA-4740-1MGASA-2020-0318MGASA-2020-0320

Timeline

  1. 10-08-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.26%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.26% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.26%

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

Ubuntu5 products
  • firefox< 79.0+build1-0ubuntu0.16.04.2 | < 79.0+build1-0ubuntu0.18.04.1 | < 79.0+build1-0ubuntu0.20.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
  • thunderbird< 1:78.8.1+build1-0ubuntu0.18.04.1 | < 1:78.7.1+build1-0ubuntu0.20.04.1
Mozilla3 products
  • firefox≥ unspecified, < 79 | < 79.0 | ≥ 78.0, < 78.1
  • firefox_esr≥ unspecified, < 68.11 | ≥ unspecified, < 78.1 | < 68.11
  • thunderbird≥ unspecified, < 68.11 | ≥ unspecified, < 78.1 | < 68.11 | ≥ 78.0, < 78.1
Debian2 products
  • firefox-esr< 68.11.0esr-1
  • thunderbird< 1:68.11.0-1
Canonical1 product

4 vendors · 11 products

References

16 links
Show all 16 references