CVE-2017-12809

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 31.7% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-08-23 16:00Z9 YR AGO

Last updated

2024-08-05 18:51Z2 YR AGO

Reserved

2017-08-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

1c1bcfe26037efd2c6adec89b3c3fe14a81b8e54794c461ed97cc9e277036b00

• www.debian.orgDSA-3991http://www.debian.org/security/2017/dsa-3991vendor-advisoryx_refsource_DEBIAN
• lists.gnu.org[qemu-devel] 20170809 [Qemu-devel] [PATCH 1/2] IDE: Do not flush empty CDROM driveshttps://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01850.htmlmailing-listx_refsource_MLIST
• www.securityfocus.com100451http://www.securityfocus.com/bid/100451vdb-entryx_refsource_BID
• www.openwall.com[oss-security] 20170821 CVE-2017-12809 Qemu: ide: flushing of empty CDROM drives leads to NULL dereferencehttp://www.openwall.com/lists/oss-security/2017/08/21/2mailing-listx_refsource_MLIST