CVE-2017-7493

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

0.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 30.2% of scored records. A rank, not a probability.

NVD base score

7.8 (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:U/C:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Moderate. 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

2017-05-17 15:00Z9 YR AGO

Last updated

2024-08-05 16:04Z2 YR AGO

Reserved

2017-04-05

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-732Incorrect Permission Assignment for Critical ResourceClass
• CWE-284Improper Access ControlPillar

Data version

5.1

Document digest

eb2faf7c382985d4daca8132483f636c79f7b7ebf9938e0803910e86e923b161

• lists.debian.org[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201706-03https://security.gentoo.org/glsa/201706-03vendor-advisoryx_refsource_GENTOO
• www.securityfocus.com98574http://www.securityfocus.com/bid/98574vdb-entryx_refsource_BID
• lists.gnu.org[qemu-devel] 20170516 [PULL] 9pfs: local: forbid client access to metadata (CVE-2017-7493)https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.htmlmailing-listx_refsource_MLIST
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1451709x_refsource_CONFIRM
• seclists.org[oss-security] 20170517 CVE-2017-7493 Qemu: 9pfs: guest privilege escalation in virtfs mapped-file modehttp://seclists.org/oss-sec/2017/q2/278mailing-listx_refsource_MLIST