CVE•Published 2013-06-01•Modified 2026-10-09•1 article on news•6 live references•NVD data

CVE-2012-3544Apache · Tomcat

Vulnerability data via NVD (ingested)

CVSS v3.1

—

EPSS percentile

Exploit Prediction Scoring System · top 4% of all CVEs

Weaknesses (CWE)

CWE-20Improper Input Validation

Description

Apache Tomcat 6.x before 6.0.37 and 7.x before 7.0.30 does not properly handle chunk extensions in chunked transfer coding, which allows remote attackers to cause a denial of service by streaming data.

Timeline

Published 2013-06-01

Modified 2026-10-09

External references

NVD MITRE GitHub PoC Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2012-3544

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product + version

product:"Apache Tomcat" version:"6.0"

Version-pinned fingerprint from NVD's first vulnerable CPE.

Shodan · banner/body mention

http.html:"Tomcat"

HTTP body or banner mentions "Tomcat" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2012-3544