01 Record
CVE-2021-29978
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.
UnratedPUBLISHEDCNA: mozilla
CNA base scoreUnratedNo CNA CVSS vector
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.78% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.1% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-08-05 19:45Z5 YR AGO
- Last updated
- 2024-08-03 22:24Z2 YR AGO
- Reserved
- 2021-04-01
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 488ff7320bff80e4bd13fcb49aec2e8b84ee4853802af35e5f21eebb48e63d63
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-31/
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/797
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/798
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/799
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/800
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/801
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/803
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/804
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/805
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/806
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/808
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/809
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/810
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/issues/812
- github.comhttps://github.com/mozilla-mobile/mozilla-vpn-client/pull/816