Executive Summary

Informations
Name CVE-2021-26690 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:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

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/2021/06/10/6
https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d71...
https://lists.apache.org/thread.html/rae406c1d19c0dfd3103c96923dadac2af1cd0ba...
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 17:22:54
  • 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 09:22:50
  • 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