Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-26691 First vendor Publication 2021-06-10
Vendor Cve Last vendor Modification 2021-10-20

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26691

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 248
Os 2

Sources (Detail)

Source Url
CONFIRM http://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7...
https://security.netapp.com/advisory/ntap-20210702-0001/
DEBIAN https://www.debian.org/security/2021/dsa-4937
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
GENTOO https://security.gentoo.org/glsa/202107-38
MISC https://www.oracle.com/security-alerts/cpuoct2021.html
MLIST http://www.openwall.com/lists/oss-security/2021/06/10/7
https://lists.apache.org/thread.html/r50cae1b71f1e7421069036b213c26da7d8f47dd...
https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d71...
https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html

Alert History

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Date Informations
2021-10-20 17:23:13
  • Multiple Updates
2021-09-25 09:23:23
  • Multiple Updates
2021-09-20 21:23:34
  • Multiple Updates
2021-09-20 17:23:09
  • Multiple Updates
2021-08-05 01:42:29
  • Multiple Updates
2021-07-17 13:22:56
  • Multiple Updates
2021-07-09 17:22:53
  • Multiple Updates
2021-07-07 00:23:02
  • Multiple Updates
2021-07-02 17:22:59
  • Multiple Updates
2021-06-24 21:23:14
  • Multiple Updates
2021-06-22 17:22:51
  • Multiple Updates
2021-06-10 21:23:08
  • Multiple Updates
2021-06-10 17:22:47
  • Multiple Updates
2021-06-10 13:22:53
  • First insertion