Cyber Threat Intelligence
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CRITICAL · CVSS 9.8 CISA Known Exploited Vulnerability

CVE-2015-0313

Adobe Flash Player Use-After-Free Vulnerability

Adobe Flash Player

Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through 16.x before 16.0.0.305 on Windows and OS X and before 11.2.202.442 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in February 2015, a different vulnerability than CVE-2015-0315, CVE-2015-0320, and CVE-2015-0322.

CVSS
9.8
CRITICAL
EPSS
95.3%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
2 Feb 2015
CWE-416

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 13 April 2022. US federal agencies were required to remediate it by 4 May 2022.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 95.3%, which is higher than 99.9% 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Frequently asked questions

Is CVE-2015-0313 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2015-0313.

What does CVE-2015-0313 affect?

CVE-2015-0313 affects Adobe Flash Player. Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through 16.x before 16.0.0.305 on Windows and OS X and before 11.2.202.442 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in February 2015, a different vulnerability than CVE-2015-0315, CVE-2015-0320, and CVE-2015-0322.

How severe is CVE-2015-0313?

CVE-2015-0313 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 95.3%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 4 May 2022.

How should organisations respond to CVE-2015-0313?

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.