Executive Summary

Informations
Name CVE-2020-11993 First vendor Publication 2020-08-07
Vendor Cve Last vendor Modification 2021-03-30

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:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above "info" will mitigate this vulnerability for unpatched servers.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11993

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20200814-0005/
DEBIAN https://www.debian.org/security/2020/dsa-4757
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/202008-04
MISC http://packetstormsecurity.com/files/160393/Apache-2-HTTP2-Module-Concurrent-...
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11993
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com/security-alerts/cpuoct2020.html
MLIST https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cad...
https://lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d...
https://lists.apache.org/thread.html/r2c6083f6a2027914a0f5b54e2a1f4fa98c03f86...
https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250...
https://lists.apache.org/thread.html/r5debe8f82728a00a4a68bc904dd6c35423bdfc8...
https://lists.apache.org/thread.html/r623de9b2b2433a87f3f3a15900419fc9c00c77b...
https://lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3...
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f...
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444a...
https://lists.apache.org/thread.html/rdf3e5d0a5f5c3d90d6013bccc6c4d5af59cf1f8...
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f...
https://lists.apache.org/thread.html/rf71eb428714374a6f9ad68952e23611ec7807b0...
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00081.html
UBUNTU https://usn.ubuntu.com/4458-1/

Alert History

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Date Informations
2021-04-22 02:57:13
  • Multiple Updates
2021-03-31 05:22:51
  • Multiple Updates
2021-03-30 17:22:53
  • Multiple Updates
2021-03-26 12:32:44
  • Multiple Updates
2021-01-20 21:23:21
  • Multiple Updates
2020-12-07 21:23:20
  • Multiple Updates
2020-11-03 05:22:50
  • Multiple Updates
2020-10-21 05:23:01
  • Multiple Updates
2020-10-10 01:27:26
  • Multiple Updates
2020-09-02 17:23:08
  • Multiple Updates
2020-08-14 17:22:50
  • Multiple Updates
2020-08-11 21:23:12
  • Multiple Updates
2020-08-10 05:22:50
  • Multiple Updates
2020-08-09 01:29:39
  • Multiple Updates
2020-08-09 01:27:48
  • Multiple Updates
2020-08-08 17:22:53
  • Multiple Updates
2020-08-08 12:26:40
  • Multiple Updates
2020-08-07 21:23:22
  • First insertion