CVE-2023-48239

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

0.95% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 58.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2023-11-21 21:02Z2 YR AGO

Last updated

2025-06-10 13:59Z1 YR AGO

Reserved

2023-11-13

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.5)

CNA CVSS vector

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

Weaknesses

• CWE-284Improper Access ControlPillar

Data version

5.1

Document digest

dc1cb9f465788b8e63132ab09c6543b0f7bf9e32b00269c1228f4ef3c9b68964

• github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-f962-hw26-g267x_refsource_CONFIRM
• github.comhttps://github.com/nextcloud/server/pull/41123x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/2212627x_refsource_MISC