6.5

CVE-2020-26955: mozilla firefox

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-26955
Published 09-12-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-26955 is a medium (CVSS 6.5) vulnerability in mozilla firefox. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.9% 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
0.83%
0%100%
Low · +0.01 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
OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1

Timeline

  1. 09-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

When a user downloaded a file in Firefox for Android, if a cookie is set, it would have been re-sent during a subsequent file download operation on the same domain, regardless of whether the original and subsequent request were in private and non-private browsing modes. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

+0.01 pp

From 0.83% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.83%

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

Ubuntu3 products
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
Mozilla2 products

2 vendors · 5 products

References

5 links