CVE-2022-2294
WebRTC Heap Buffer Overflow Vulnerability
WebRTC WebRTC
Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 25 August 2022. US federal agencies were required to remediate it by 15 September 2022. CISA records this vulnerability as known to be used in ransomware campaigns.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 70.8%, which is higher than 99.4% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2022-2294 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2022-2294.
What does CVE-2022-2294 affect?
CVE-2022-2294 affects WebRTC WebRTC. Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
How severe is CVE-2022-2294?
CVE-2022-2294 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 70.8%, higher than 99.4% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 15 September 2022.
How should organisations respond to CVE-2022-2294?
Apply the vendor patch for WebRTC WebRTC as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.