CVE-2021-23362 (GCVE-0-2021-23362)
Vulnerability from cvelistv5 – Published: 2021-03-23 16:20 – Updated: 2024-09-17 03:02
VLAI
EPSS
VEX
Title
Regular Expression Denial of Service (ReDoS)
Summary
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.
Severity
CWE
- Regular Expression Denial of Service (ReDoS)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://snyk.io/vuln/SNYK-JS-HOSTEDGITINFO-1088355 | x_refsource_MISC |
| https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088356 | x_refsource_MISC |
| https://github.com/npm/hosted-git-info/commit/bed… | x_refsource_MISC |
| https://github.com/npm/hosted-git-info/commits/v2 | x_refsource_MISC |
| https://github.com/npm/hosted-git-info/commit/29a… | x_refsource_MISC |
| https://github.com/npm/hosted-git-info/commit/8d4… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | hosted-git-info |
Affected:
unspecified , < 3.0.8
(custom)
|
Date Public
2021-03-23 00:00
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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-08-21T20:10:44+00:00",
"cve": "CVE-2021-23362",
"id": "CVE-2021-23362",
"initial_release_date": "2021-03-23T00:00:00+00:00",
"product_status:fixed": "203",
"product_status:known_affected": "53",
"product_status:known_not_affected": "388",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "nodejs-hosted-git-info: Regular Expression denial of service via shortcutMatch in fromUrl()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-23362.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-13T00:03:48Z",
"cve": "CVE-2021-23362",
"id": "CVE-2021-23362",
"initial_release_date": "2023-02-15T03:45:34Z",
"product_status:recommended": "573",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-23362",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-23362.json",
"version": "18"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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