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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
Publish Date : 2021-06-10 Last Update Date : 2021-09-20
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CVSS Scores & Vulnerability Types
| CVSS Score |
7.5 |
| Confidentiality Impact |
Partial
(There is considerable informational disclosure.) |
| Integrity Impact |
Partial
(Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.) |
| Availability Impact |
Partial
(There is reduced performance or interruptions in resource availability.) |
| Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
| Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
| Gained Access |
None |
| Vulnerability Type(s) |
Overflow |
| CWE ID |
787 |
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Products Affected By CVE-2021-26691
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Number Of Affected Versions By Product
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References For CVE-2021-26691
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Metasploit Modules Related To CVE-2021-26691
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