CVE-2023-6516

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 63.5% 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

Important. 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

2024-02-13 14:05Z2 YR AGO

Last updated

2025-02-13 17:26Z1 YR AGO

Reserved

2023-12-05

Assigning CNA

isc

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-789Memory Allocation with Excessive Size ValueVariant
• CWE-770Allocation of Resources Without Limits or ThrottlingBase
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

e1ab4533cc09d03ddd9a0e3289fe5bfdbb23d87152ce1bc47d066ca60e579fd1

• kb.isc.orgCVE-2023-6516https://kb.isc.org/docs/cve-2023-6516vendor-advisory
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2024/02/13/1
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20240503-0008/