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CVE-2011-3192

Published: Aug 29, 2011Updated: Apr 29, 2026 Sources: CVE List NVD BDUCWE-400
NVD MITRE
7.8CVSSHIGH
EPSS Score
98.9%
Top 0.1%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August 2011, a different vulnerability than CVE-2007-0086.

CVSS Vector Breakdown

AV:NAC:LAu:NC:NI:NA:C
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:CAvailability
Complete
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Weaknesses

CWE-400

Affected Products

Zyxel ZLDZyxel Communications Corp.Networking Infrastructure
n/an/a
http serverapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
opensuseopensuse
On-premOS
Operating Systems / linux-distro
linux enterprise serversuse
On-premOS
Operating Systems / linux-distro
zyxel communications corp.commercialTWNetworking Infrastructure
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
opensuseoss-projectDEOperating Systemsaka opensuse
susecommercialDEOperating Systems
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

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

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

http://www.rapid7.com/db/modules/auxiliary/dos/http/apache_range_dos
rapid7.com
http://seclists.org/fulldisclosure/2011/Aug/175
seclists.org
http://secunia.com/advisories/45606
secunia.com
and 70 more references View all →

Timeline

Published
Aug 29, 2011
Last Updated
Apr 29, 2026

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