CVE-2021-29978: mozilla mozilla_vpn
CVSS: 10.0v2.0HighModified
Published 05-08-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-29978 is a high (CVSS 10.0) vulnerability in mozilla mozilla_vpn. EPSS estimates a 2.78% chance of exploitation in the next 30 days, higher than 86.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
2.78%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 05-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Multiple low security issues were discovered and fixed in a security audit of Mozilla VPN 2.x branch as part of a 3rd party security audit. This vulnerability affects Mozilla VPN < 2.3.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
2.78%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.78% on 18-09-2026
18-09-202618-10-2026
EPSS score2.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMozilla Vpn Client
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Mozilla1 product
- mozilla_vpn≥ unspecified, < 2.3 | ≥ 2.0, < 2.3
1 vendor · 1 product