CVE-2007-0450

Exp

Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules (mod_proxy, mod_rewrite, mod_jk), allows remote attackers to read arbitrary files via a .. (dot dot) sequence with combinations of (1) "/" (slash), (2) "\" (backslash), and (3) URL-encoded backslash (%5C) characters in the URL, which are valid separators in Tomcat but not in Apache.

Published: 2007-03-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-0450 is rated High Exploit Risk (70.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 90.77%, 100th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-0450

EDB-ID Source Kind Published Link
29739 exploit_db edb 2007-03-14 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-0450

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 90.45% 90.77% +0.32%
2 2026-05-21 89.48% 90.45% +0.97%
3 2026-04-30 — 89.48% —

Full EPSS history (26 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-0450

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-0450

GitHub Security Advisory for CVE-2007-0450

GHSA-4prh-gqw8-rgh5 · Severity: medium · Ecosystem: maven — Apache Tomcat Directory Traversal

OS Trackers for CVE-2007-0450

vendor priority summary link
gentoo low CVE-2007-0450: 1 GLSA(s) (200705-03), 1 atom(s) (www-servers/tomcat); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-0450
redhat high — https://access.redhat.com/security/cve/CVE-2007-0450
ubuntu medium CVE-2007-0450 medium priority: Ubuntu including 2 source packages (tomcat5, tomcat5.5), 18 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 7, ignored 5, not-affected 4, needs-triage 2. https://ubuntu.com/security/CVE-2007-0450

Affected software / configurations for CVE-2007-0450

Vendor Product Version Raw CPE
apache http_server — cpe:2.3:a:apache:http_server:-:*:*:*:*:*:*:*
apache tomcat >= 5.0.0, < 5.5.22 cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
apache tomcat >= 6.0.0, < 6.0.10 cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

References for CVE-2007-0450

URL Tags
http://community.ca.com/blogs/casecurityresponseblog/archive/2009/01/23.aspx Broken Link
http://docs.info.apple.com/article.html?artnum=306172 Third Party Advisory
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795 Broken Link
http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html Mailing List Third Party Advisory
http://lists.vmware.com/pipermail/security-announce/2008/000003.html Third Party Advisory
http://secunia.com/advisories/24732 Third Party Advisory
http://secunia.com/advisories/25106 Third Party Advisory
http://secunia.com/advisories/25280 Third Party Advisory
http://secunia.com/advisories/26235 Third Party Advisory
http://secunia.com/advisories/26660 Third Party Advisory
http://secunia.com/advisories/27037 Third Party Advisory
http://secunia.com/advisories/28365 Third Party Advisory
http://secunia.com/advisories/30899 Third Party Advisory
http://secunia.com/advisories/30908 Third Party Advisory
http://secunia.com/advisories/33668 Third Party Advisory
http://security.gentoo.org/glsa/glsa-200705-03.xml Third Party Advisory
http://securityreason.com/securityalert/2446 Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-239312-1 Broken Link
http://support.avaya.com/elmodocs2/security/ASA-2007-206.htm Third Party Advisory
http://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=197540 Broken Link Third Party Advisory
http://tomcat.apache.org/security-4.html Vendor Advisory
http://tomcat.apache.org/security-5.html Vendor Advisory
http://tomcat.apache.org/security-6.html Vendor Advisory
http://www.fujitsu.com/global/support/software/security/products-f/interstage-200702e.html Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2007:241 Third Party Advisory
http://www.novell.com/linux/security/advisories/2007_15_sr.html Broken Link
http://www.novell.com/linux/security/advisories/2007_5_sr.html Broken Link
http://www.redhat.com/support/errata/RHSA-2007-0327.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2007-0360.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0261.html Third Party Advisory
http://www.sec-consult.com/287.html Broken Link
http://www.sec-consult.com/fileadmin/Advisories/20070314-0-apache_tomcat_directory_traversal.txt Broken Link
http://www.securityfocus.com/archive/1/462791/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/archive/1/485938/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/archive/1/500396/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/archive/1/500412/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/22960 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/25159 Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2007/0975 Third Party Advisory
http://www.vupen.com/english/advisories/2007/2732 Third Party Advisory
http://www.vupen.com/english/advisories/2007/3087 Third Party Advisory
http://www.vupen.com/english/advisories/2007/3386 Third Party Advisory
http://www.vupen.com/english/advisories/2008/0065 Third Party Advisory
http://www.vupen.com/english/advisories/2008/1979/references Third Party Advisory
http://www.vupen.com/english/advisories/2009/0233 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/32988 Third Party Advisory VDB Entry
https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a1f67e851a5de4%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3eff1e060c9935%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/r5c616dfc49156e4b06ffab842800c80f4425924d0f20c452c127a53c%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.org%3E
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10643 Third Party Advisory
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