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01 Record

CVE-2011-2526

Apache Tomcat 5.5.x before 5.5.34, 6.x before 6.0.33, and 7.x before 7.0.19, when sendfile is enabled for the HTTP APR or HTTP NIO connector, does not validate certain request attributes, which allows

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

Apache Tomcat 5.5.x before 5.5.34, 6.x before 6.0.33, and 7.x before 7.0.19, when sendfile is enabled for the HTTP APR or HTTP NIO connector, does not validate certain request attributes, which allows

03 Exploitation and scoring

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
0.69% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 52.6% 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
Low. Red Hat's rating for its own products, not a CVSS rating.

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.

04 Metadata

Published
2011-07-14 23:00Z15 YR AGO
Last updated
2024-08-06 23:00Z2 YR AGO
Reserved
2011-06-15
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
4fa8080672bba54f13b9ef3fa5003989ac9b10e8c76a21b01847b6d1e38837c7

05 Affected products

VendorProductVersionsPlatforms
apachetomcatNot specified—
redhatenterprise_linuxNot specified—
redhatjboss_communications_platformNot specified—
redhatjboss_enterprise_application_platformNot specified—
redhatjboss_enterprise_brms_platformNot specified—
redhatjboss_enterprise_portal_platformNot specified—
redhatjboss_enterprise_web_platformNot specified—
redhatjboss_enterprise_web_serverNot specified—
redhatjboss_soa_platformNot specified—

06 References