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HIGH · CVSS 7.8 CISA Known Exploited Vulnerability

CVE-2015-2291

Intel Ethernet Diagnostics Driver for Windows Denial-of-Service Vulnerability

Intel Ethernet Diagnostics Driver for Windows

(1) IQVW32.sys before 1.3.1.0 and (2) IQVW64.sys before 1.3.1.0 in the Intel Ethernet diagnostics driver for Windows allows local users to cause a denial of service or possibly execute arbitrary code with kernel privileges via a crafted (a) 0x80862013, (b) 0x8086200B, (c) 0x8086200F, or (d) 0x80862007 IOCTL call.

CVSS
7.8
HIGH
EPSS
15.7%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
9 Aug 2017
CWE-20

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 10 February 2023. US federal agencies were required to remediate it by 3 March 2023. 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 15.7%, which is higher than 96.9% 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:L/UI:N/S:U/C:H/I:H/A:H

Frequently asked questions

Is CVE-2015-2291 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2015-2291.

What does CVE-2015-2291 affect?

CVE-2015-2291 affects Intel Ethernet Diagnostics Driver for Windows. (1) IQVW32.sys before 1.3.1.0 and (2) IQVW64.sys before 1.3.1.0 in the Intel Ethernet diagnostics driver for Windows allows local users to cause a denial of service or possibly execute arbitrary code with kernel privileges via a crafted (a) 0x80862013, (b) 0x8086200B, (c) 0x8086200F, or (d) 0x80862007 IOCTL call.

How severe is CVE-2015-2291?

CVE-2015-2291 is rated HIGH with a CVSS base score of 7.8. EPSS puts the probability of exploitation in the next 30 days at 15.7%, higher than 96.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 3 March 2023.

How should organisations respond to CVE-2015-2291?

Apply the vendor patch for Intel Ethernet Diagnostics Driver for Windows 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.