Critical severity9.8NVD Advisory· Published Feb 20, 2020· Updated Jun 17, 2026
CVE-2014-4650
CVE-2014-4650
Description
The CGIHTTPServer module in Python 2.7.5 and 3.3.4 does not properly handle URLs in which URL encoding is used for path separators, which allows remote attackers to read script source code or conduct directory traversal attacks and execute unintended code via a crafted character sequence, as demonstrated by a %2f separator.
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Affected products
41- Python/Pythondescription
- osv-coords38 versionspkg:rpm/opensuse/python310&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python311&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python312&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python313&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python314&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python315&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python36&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python38&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python39&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python3-base&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/python3&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/python3&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python-base&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python&distro=openSUSE%20Tumbleweedpkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012
< 3.10.0rc1-4.2+ 37 more
- (no CPE)range: < 3.10.0rc1-4.2
- (no CPE)range: < 3.11.0b1-1.1
- (no CPE)range: < 3.12.0a7-1.1
- (no CPE)range: < 3.13.0~b3-1.1
- (no CPE)range: < 3.14.0~a1-1.1
- (no CPE)range: < 3.15.0~a1-1.1
- (no CPE)range: < 3.6.15-1.1
- (no CPE)range: < 3.8.12-1.2
- (no CPE)range: < 3.9.7-2.1
- (no CPE)range: < 3.6.10-lp151.6.7.1
- (no CPE)range: < 3.6.10-lp151.6.7.1
- (no CPE)range: < 3.5.1-3.8
- (no CPE)range: < 2.7.12-1.4
- (no CPE)range: < 2.7.18-8.1
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 2.7.9-14.1
- (no CPE)range: < 2.7.17-7.32.1
- (no CPE)range: < 2.7.17-7.32.1
- (no CPE)range: < 2.7.17-7.32.1
- (no CPE)range: < 2.7.9-14.1
- (no CPE)range: < 2.7.9-14.1
- (no CPE)range: < 2.7.9-14.1
- (no CPE)range: < 2.7.9-14.1
- (no CPE)range: < 2.7.9-14.1
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.9-14.1
- (no CPE)range: < 2.7.9-14.1
- (no CPE)range: < 2.7.9-14.3
- (no CPE)range: < 2.7.9-14.3
Patches
Vulnerability mechanics
References
3- bugs.python.org/issue21766nvdExploitPatchVendor Advisory
- openwall.com/lists/oss-security/2014/06/26/3nvdMailing ListThird Party Advisory
- access.redhat.com/security/cve/cve-2014-4650nvdThird Party Advisory
News mentions
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