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CVE-2020-11993

Published: Aug 7, 2020Updated: May 1, 2025 Sources: CVE List NVD BDUCWE-444
7.5HIGH
NVD MITRE
EPSS Score
58.7%
Top 1.0%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

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

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-444

Affected Products

Oracle Corp.
commercial·USaka oracle
Instantis EnterpriseTrackOn-premWeb App
Enterprise Software / itsm-monitoring
Enterprise Manager Ops CenterOn-premWeb App
Enterprise Software / itsm-monitoring
Sun ZFS Storage Appliance KitOn-prem
Databases / cache-message-queue
Oracle Communications Element ManagerOn-prem
Communications
Oracle Communications Session Report ManagerOn-premWeb App
Enterprise Software / itsm-monitoring
Oracle Communications Session Route ManagerOn-premWeb App
Communications / voip-telephony
Hyperion Infrastructure TechnologyOn-prem
Enterprise Software / itsm-monitoring
communications element managerOn-prem
Communications
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Common EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
JBoss Core ServicesOn-prem
Operating Systems / linux-distro
АО «НТЦ ИТ РОСА»
commercial·RU
ROSA VirtualizationOn-prem
Operating Systems / linux-distro
ROSA Virtualization 3.0On-prem
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
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
Scannable·Nuclei / OpenVAS
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify Is your org exposed to CVE-2020-11993?We'll check your whole external perimeter for exposure — free. Check my exposure

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
View detailed technique mapping

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 →
News mentions
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