CVE-2023-31517

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

0.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 51.3% 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 2026-07-09.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2023-05-23 00:00Z3 YR AGO

Last updated

2026-07-09 00:25Z1 MO AGO

Reserved

2023-04-29

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.2

Document digest

0d266bb0e51c2176771048bdc28ba5748da56c363e0dea204f41b30820481a5d

• gist.github.comhttps://gist.github.com/manba-bryant/9ca95d69c65f4d2c55946932c946fb9b
• www.redpacketsecurity.comhttps://www.redpacketsecurity.com/teeworlds-denial-of-service-cve-2023-31517/