CVE-2017-9524

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

4.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2017-07-06 16:00Z9 YR AGO

Last updated

2024-08-05 17:11Z2 YR AGO

Reserved

2017-06-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

9235215b37d7f9faff48181e6aaf010d9409b2fc97970123b260cbe036974382

• access.redhat.comRHSA-2017:1681https://access.redhat.com/errata/RHSA-2017:1681vendor-advisoryx_refsource_REDHAT
• www.openwall.com[oss-security] 20170612 CVE-2017-9524 Qemu: nbd: segmentation fault due to client non-negotiationhttp://www.openwall.com/lists/oss-security/2017/06/12/1mailing-listx_refsource_MLIST
• access.redhat.comRHSA-2017:1682https://access.redhat.com/errata/RHSA-2017:1682vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com99011http://www.securityfocus.com/bid/99011vdb-entryx_refsource_BID
• lists.gnu.org[qemu-devel] 20170526 [PATCH] nbd: Fully initialize client in case of failed negotiationhttps://lists.gnu.org/archive/html/qemu-devel/2017-05/msg06240.htmlmailing-listx_refsource_MLIST
• access.redhat.comRHSA-2017:2408https://access.redhat.com/errata/RHSA-2017:2408vendor-advisoryx_refsource_REDHAT
• www.debian.orgDSA-3925http://www.debian.org/security/2017/dsa-3925vendor-advisoryx_refsource_DEBIAN
• lists.gnu.org[qemu-devel] 20170608 [PATCH] nbd: Fix regression on resiliency to port scanhttps://lists.gnu.org/archive/html/qemu-devel/2017-06/msg02321.htmlmailing-listx_refsource_MLIST