Vulnerability Details : CVE-2021-29950
Potential exploit
Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.
Products affected by CVE-2021-29950
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-29950
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-29950
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-29950
-
The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-29950
-
https://www.mozilla.org/security/advisories/mfsa2021-17/
Security Vulnerabilities fixed in Thunderbird 78.8.1 — MozillaRelease Notes;Vendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1673239
1673239 - (CVE-2021-29950) RNP-01-012 WP1 Thunderbird: Logic issue potentially leaves key material unlocked (Medium)Exploit;Vendor Advisory
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