What is the CVSS score of CVE-2022-31110?

CVE-2022-31110 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2022-31110?

Yes, a public proof-of-concept exploit is available for CVE-2022-31110. Prioritise patching immediately. EPSS: 1.5%.

Is there a patch available for CVE-2022-31110?

Yes, a patch is available for CVE-2022-31110. Update the affected software to the latest version immediately.

Rsshub CVE-2022-31110

HIGH

Uncontrolled Resource Consumption (CWE-400)

2022-06-29 security-advisories@github.com

Denial Of Service Rsshub

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jun 29, 2022 - 18:15 nvd

HIGH 7.5

DescriptionNVD

RSSHub is an open source, extensible RSS feed generator. In commits prior to 5c4177441417 passing some special values to the filter and filterout parameters can cause an abnormally high CPU. This results in an impact on the performance of the servers and RSSHub services which may lead to a denial of service. This issue has been fixed in commit 5c4177441417 and all users are advised to upgrade. There are no known workarounds for this issue.

AnalysisAI

RSSHub is an open source, extensible RSS feed generator. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, 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. RSSHub is an open source, extensible RSS feed generator. In commits prior to 5c4177441417 passing some special values to the filter and filterout parameters can cause an abnormally high CPU. This results in an impact on the performance of the servers and RSSHub services which may lead to a denial of service. This issue has been fixed in commit 5c4177441417 and all users are advised to upgrade. There are no known workarounds for this issue. Affected products include: Rsshub. Version information: prior to 5.

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.