CVE-2023-23943

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

0.91% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 59.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

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

2023-02-06 20:18Z3 YR AGO

Last updated

2025-03-10 21:16Z1 YR AGO

Reserved

2023-01-19

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.0)

CNA CVSS vector

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

Weaknesses

• CWE-918Server-Side Request Forgery (SSRF)Base

Data version

5.1

Document digest

297ac829159b4fde08576a0bf33e747e6154d8f7d68b0992d3b1f38194b92bb8

• github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-8gcx-r739-9pf6x_refsource_CONFIRM
• github.comhttps://github.com/nextcloud/mail/pull/7796x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/1736390x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/1741525x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/1746582x_refsource_MISC