CVE-2021-23490 (GCVE-0-2021-23490)

Vulnerability from cvelistv5 – Published: 2021-12-24 20:05 – Updated: 2024-09-16 22:03
VLAI
Title
Regular Expression Denial of Service (ReDoS)
Summary
The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • Regular Expression Denial of Service (ReDoS)
Assigner
References
Impacted products
Vendor Product Version
n/a parse-link-header Affected: unspecified , < 2.0.0 (custom)
Date Public
2021-12-24 00:00
Credits
DangKhai
Show details on NVD website
To clipboard 

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    "redhat_vex": {
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      "cve": "CVE-2021-23490",
      "id": "CVE-2021-23490",
      "initial_release_date": "2021-12-24T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Regular Expression Denial of Service (ReDoS)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-23490.json",
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}



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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.


Detection rules are retrieved from Rulezet.