CVE-2022-2200

moderate-risk
Published 2022-12-22

If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Do I need to act?

~
6.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Mozilla

References (8)

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1771381
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2022-24/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2022-25/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2022-26/
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1771381
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2022-24/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2022-25/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2022-26/
48
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 9/34 · Low
Exposure 9/34 · Low