What is the CVSS score of CVE-2023-25816?

CVE-2023-25816 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2023-25816?

Yes, a public proof-of-concept exploit is available for CVE-2023-25816. Prioritise patching immediately. EPSS: 1.4%.

Is there a patch available for CVE-2023-25816?

Yes, a patch is available for CVE-2023-25816. Update the affected software to the latest version immediately.

Nextcloud CVE-2023-25816

MEDIUM

Uncontrolled Resource Consumption (CWE-400)

2023-02-25 security-advisories@github.com

Denial Of Service Nextcloud Nextcloud Server

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Feb 25, 2023 - 00:15 nvd

MEDIUM 6.5

DescriptionNVD

Nextcloud is an Open Source private cloud software. Versions 25.0.0 and above, prior to 25.0.3, are subject to Uncontrolled Resource Consumption. A user can configure a very long password, consuming more resources on password validation than desired. This issue is patched in 25.0.3 No workaround is available.

AnalysisAI

Nextcloud is an Open Source private cloud software. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. Nextcloud is an Open Source private cloud software. Versions 25.0.0 and above, prior to 25.0.3, are subject to Uncontrolled Resource Consumption. A user can configure a very long password, consuming more resources on password validation than desired. This issue is patched in 25.0.3 No workaround is available. Affected products include: Nextcloud Nextcloud Server. Version information: prior to 25.0.3.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.