Is CVE-2022-34485 actively exploited?

No active exploitation of CVE-2022-34485 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-34485 be exploited remotely?

Yes. CVE-2022-34485 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-34485?

CVE-2022-34485 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-34485

CWE-787Published: December 22, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Mozilla developers Bryce Seager van Dyk and the Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox 101. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 102.

NVD Source

Risk Analysis

Potential memory corruption vulnerabilities in Firefox 101 could be exploited to run arbitrary code. These flaws are remotely exploitable and carry a critical risk rating.

No public exploit is known, and the vulnerability is not in the CISA KEV catalog.

Recommended Action

Update Firefox to version 102 or later to mitigate these memory corruption risks.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-34485 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.