CVE-2018-5002
Adobe Flash Player Stack-based Buffer Overflow Vulnerability
Adobe Flash Player
Adobe Flash Player versions 29.0.0.171 and earlier have a Stack-based buffer overflow vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 23 May 2022. US federal agencies were required to remediate it by 13 June 2022.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 25.1%, which is higher than 97.9% 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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2018-5002 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2018-5002.
What does CVE-2018-5002 affect?
CVE-2018-5002 affects Adobe Flash Player. Adobe Flash Player versions 29.0.0.171 and earlier have a Stack-based buffer overflow vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
How severe is CVE-2018-5002?
CVE-2018-5002 is rated HIGH with a CVSS base score of 7.8. EPSS puts the probability of exploitation in the next 30 days at 25.1%, higher than 97.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 13 June 2022.
How should organisations respond to CVE-2018-5002?
Apply the vendor patch for Adobe Flash Player 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.