CVE-2023-27371

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.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

1.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 67.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/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

2023-02-28 00:00Z3 YR AGO

Last updated

2025-03-11 15:19Z1 YR AGO

Reserved

2023-02-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

36d79e41b1ea8cc49649d552137399713dd68bdd0869b665c033371358df70d0

• git.gnunet.orghttps://git.gnunet.org/libmicrohttpd.git/commit/?id=6d6846e20bfdf4b3eb1b592c97520a532f724238
• github.comhttps://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd
• lists.gnu.orghttps://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html
• lists.debian.org[debian-lts-announce] 20230330 [SECURITY] [DLA 3374-1] libmicrohttpd security updatehttps://lists.debian.org/debian-lts-announce/2023/03/msg00029.htmlmailing-list