CVE-2023-2609

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 40.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-23.

Red Hat severity

Low. 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

2023-05-09 00:00Z3 YR AGO

Last updated

2026-06-23 17:19Z4 MO AGO

Reserved

2023-05-09

Assigning CNA

@huntr_ai

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

fba4128f1b09765323000a28d3c8dea070dbe30a389bcd00e7ec9d697f9c0d92

• huntr.devhttps://huntr.dev/bounties/1679be5a-565f-4a44-a430-836412a0b622
• github.comhttps://github.com/vim/vim/commit/d1ae8366aff286d41e7f5bc513cc0a1af5130aad
• lists.fedoraproject.orgFEDORA-2023-99d2eaac80https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PCLJN4QINITA3ZASKLEJ64C5TFNKELMO/vendor-advisory
• support.apple.comhttps://support.apple.com/kb/HT213844
• support.apple.comhttps://support.apple.com/kb/HT213845