Attacker Value
Unknown
CVE-2021-26691
CVE-2021-26691
(Last updated November 08, 2023) ▾
MITRE ATT&CK
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Execution
Techniques
Validation
Description
In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Vendors
- apache,
- debian,
- fedoraproject,
- netapp,
- oracle
Products
- cloud backup -,
- debian linux 10.0,
- debian linux 9.0,
- enterprise manager ops center 12.4.0.0,
- fedora 34,
- fedora 35,
- http server,
- instantis enterprisetrack 17.1,
- instantis enterprisetrack 17.2,
- instantis enterprisetrack 17.3,
- secure backup,
- zfs storage appliance kit 8.8
References
Advisory
