What is the CVSS score of CVE-2021-23362?

CVE-2021-23362 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 3.6%.

Is there a public PoC exploit available for CVE-2021-23362?

Yes, a public proof-of-concept exploit is available for CVE-2021-23362. Prioritise patching immediately. EPSS: 3.6%.

Is there a patch available for CVE-2021-23362?

Yes, a patch is available for CVE-2021-23362. Update the affected software to the latest version immediately.

Hosted Git Info CVE-2021-23362

MEDIUM

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

2021-03-23 report@snyk.io

Denial Of Service Hosted Git Info Sinec Infrastructure Network Services

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

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:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

CVE Published

Mar 23, 2021 - 17:15 nvd

MEDIUM 5.3

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

5 npm packages depend on hosted-git-info (3 direct, 2 indirect)

Ecosystem-wide dependent count for version 3.0.0.

DescriptionNVD

The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl function in index.js. The affected regular expression exhibits polynomial worst-case time complexity.

AnalysisAI

The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl function in index.js. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-1333. The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl function in index.js. The affected regular expression exhibits polynomial worst-case time complexity. Affected products include: Npmjs Hosted-Git-Info, Siemens Sinec Infrastructure Network Services. Version information: before 3.0.8.

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.