What is the CVSS score of CVE-2021-45470?

CVE-2021-45470 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: 1.9%.

Is there a public PoC exploit available for CVE-2021-45470?

Yes, a public proof-of-concept exploit is available for CVE-2021-45470. Prioritise patching immediately. EPSS: 1.9%.

Is there a patch available for CVE-2021-45470?

Yes, a patch is available for CVE-2021-45470. Update the affected software to the latest version immediately.

Circl CVE-2021-45470

HIGH

Inefficient Regular Expression Complexity (ReDoS) (CWE-1333)

2021-12-23 cve@mitre.org

Denial Of Service Circl Cve Search

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 23, 2021 - 21:15 nvd

HIGH 7.5

DescriptionNVD

lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS (regular expression denial of service) or other impacts.

AnalysisAI

lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS (regular expression denial of service) or other impacts. 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 under CWE-1333. lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS (regular expression denial of service) or other impacts. Affected products include: Circl Cve-Search. Version information: before 4.1.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.