cvelistv5 - CVE-2021-22991

CVE-2021-22991

Vulnerability from cvelistv5

Published
2021-03-31 17:23
Modified
2024-08-03 18:58
Severity ?
Summary
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, undisclosed requests to a virtual server may be incorrectly handled by the Traffic Management Microkernel (TMM) URI normalization, which may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it may theoretically allow bypass of URL based access control or remote code execution (RCE). Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
References
▼	URL	Tags
	f5sirt@f5.com	https://support.f5.com/csp/article/K56715231	Vendor Advisory
Impacted products
▼	Vendor	Product
	n/a	BIG-IP
CISA Known exploited vulnerability

Data from the Known Exploited Vulnerabilities Catalog

Date added: 2022-01-18
Due date: 2022-02-01
Required action: Apply updates per vendor instructions.
Used in ransomware: Unknown
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-22991
Show details on NVD website
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Advisory\"]}]}}"
  }
}
Sightings

Author	Source	Type	Date
Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Action not permitted

CVE-2021-22991

Vulnerability from cvelistv5

CISA Known exploited vulnerability

Data from the Known Exploited Vulnerabilities Catalog

var-202103-0965

Vulnerability from variot

ghsa-6w8r-pjm3-q7x7

Vulnerability from github

gsd-2021-22991

Vulnerability from gsd

Tags

Sightings

Nomenclature
