Vulnerability Details : CVE-2021-29948
Potential exploit
Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.
Products affected by CVE-2021-29948
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-29948
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-29948
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
1.9
|
LOW | AV:L/AC:M/Au:N/C:N/I:P/A:N |
3.4
|
2.9
|
NIST | |
|
2.5
|
LOW | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N |
1.0
|
1.4
|
NIST |
CWE ids for CVE-2021-29948
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-29948
-
https://www.mozilla.org/security/advisories/mfsa2021-14/
Security Vulnerabilities fixed in Thunderbird 78.10 — MozillaRelease Notes;Vendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1692899
1692899 - (CVE-2021-29948) RNP-01-003 WP3 Thunderbird: Possible race condition when reading from diskExploit;Patch;Vendor Advisory
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