Description
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Oracle Corp.
commercial·USaka oracle
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Red Hat Inc.
commercial·USaka red hat
АО «НТЦ ИТ РОСА»
commercial·RU
Сообщество свободного программного обеспечения
oss-projectaka fsf
Canonical Ltd.
commercial·GBaka canonical
and 17 more affected products View all →
Exploitability
2 exploit sources identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
1 technique Collection
References
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00081.html
lists.opensuse.org
and 46 more references View all →
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2020-11993 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows