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The vulnerability of the mod_proxy_http function in the Apache HTTP Server, related to pointer arithmetic errors, allows attackers to cause service interruptions.

🗓️ 21 Dec 2021 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 3 Views

Apache mod_proxy_http vulnerability from pointer arithmetic errors enables service interruptions.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Rational Build Forge 8.0.x is affected by Apache HTTP Server version used in it. (CVE-2021-31618, CVE-2020-13950, CVE-2019-17567, CVE-2020-26691, CVE-2021-26690, CVE-2020-13938, CVE-2021-30641, CVE-2020-35452)
29 Apr 202502:10
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in Apache HTTP Server affect IBM i
24 Sep 202122:34
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerability in Apache HTTP (CVE-2020-13950) affects Power HMC
4 Dec 202200:06
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Security includes components with multiple known vulnerabilities
19 Jan 202313:54
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use Mapping Assistance may be vulnerable to denial of service due to CVE-2020-13950
7 Nov 202211:09
–ibm
Tenable Nessus		Amazon Linux 2 : httpd (ALAS-2021-1659)
24 Jun 202100:00
–nessus
Tenable Nessus		Amazon Linux 2 : httpd (ALAS-2021-1674)
1 Jul 202100:00
–nessus
Tenable Nessus		Amazon Linux AMI : httpd24 (ALAS-2021-1514)
13 Jul 202100:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0133: httpd:2.4 (ALINUX3-SA-2022:0133)
14 May 202500:00
–nessus
Tenable Nessus		Apache 2.4.x < 2.4.47 Multiple Vulnerabilities
4 Jun 202100:00
–nessus
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Vulners
Node
apachehttp_serverRange2.4.41–2.4.46
SourceLink
httpdwww.httpd.apache.org/security/vulnerabilities_24.html
listswww.lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd@%3Cdev.
listswww.lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121a80e1c5938d223@%3Cannounce.
listswww.lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.
nvdwww.nvd.nist.gov/vuln/detail/CVE-2020-13950
security-trackerwww.security-tracker.debian.org/tracker/CVE-2020-13950
wikiwww.wiki.astralinux.ru/astra-linux-se16-bulletin-20211126SE16
wikiwww.wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17
wikiwww.wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0114SE47
xn--80ahaefyxhnwww.xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai/bin/view/%D0%9E%D0%A1%D0%BD%D0%BE%D0%B2%D0%B0/%D0%9E%D0%B1%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F/2.1/
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19 Aug 2025 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 37.5
CVSS 27.8
EPSS0.49089
mod_proxy_httppointer arithmeticapache web serverremote attackerservice interruptions
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