Vulnerability Details : CVE-2022-31742
An attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the difference between invalid key handles and cross-origin key handles. This could have led to cross-origin account linking in violation of WebAuthn goals. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
Products affected by CVE-2022-31742
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-31742
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-31742
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-04-15 |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2022-31742
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2022-31742
-
https://www.mozilla.org/security/advisories/mfsa2022-21/
Security Vulnerabilities fixed in Firefox ESR 91.10 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-20/
Security Vulnerabilities fixed in Firefox 101 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-22/
Security Vulnerabilities fixed in Thunderbird 91.10 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1730434
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
Jump to