CVE-2011-2766

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

7.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 94.2% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Modified. NVD last modified this record on 2026-06-16.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2011-09-23 10:00Z15 YR AGO

Last updated

2024-08-06 23:15Z2 YR AGO

Reserved

2011-07-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

f385feb0f961d207d6dbffdd892c47fe1238fd523613fb77f84b16a421ee6d9a

• www.openwall.com[oss-security] 20110908 Re: CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requestshttp://www.openwall.com/lists/oss-security/2011/09/08/2mailing-listx_refsource_MLIST
• bugs.debian.orghttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479x_refsource_CONFIRM
• www.openwall.com[oss-security] 20110908 CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requestshttp://www.openwall.com/lists/oss-security/2011/09/08/1mailing-listx_refsource_MLIST
• exchange.xforce.ibmcloud.comperlfast-cgi-security-bypass(69709)https://exchange.xforce.ibmcloud.com/vulnerabilities/69709vdb-entryx_refsource_XF
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=736604x_refsource_CONFIRM
• hermes.opensuse.orgopenSUSE-SU-2012:0036https://hermes.opensuse.org/messages/13155253vendor-advisoryx_refsource_SUSE
• rt.cpan.orghttps://rt.cpan.org/Public/Bug/Display.html?id=68380x_refsource_CONFIRM
• www.securityfocus.com49549http://www.securityfocus.com/bid/49549vdb-entryx_refsource_BID
• hermes.opensuse.orgopenSUSE-SU-2012:0004https://hermes.opensuse.org/messages/13154637vendor-advisoryx_refsource_SUSE
• www.debian.orgDSA-2327http://www.debian.org/security/2011/dsa-2327vendor-advisoryx_refsource_DEBIAN
• www.mandriva.comMDVSA-2012:001http://www.mandriva.com/security/advisories?name=MDVSA-2012:001vendor-advisoryx_refsource_MANDRIVA