CVE-2014-4650

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 10.30% Top 10%
Vendor Advisory redhat.com Vendor Advisory python.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://openwall.com/lists/oss-security/2014/06/26/3 third party advisory mailing list
http://bugs.python.org/issue21766 exploit patch vendor advisory
https://access.redhat.com/security/cve/cve-2014-4650 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-4650?
CVE-2014-4650 has been scored as a critical severity vulnerability.
How to fix CVE-2014-4650?
To fix CVE-2014-4650, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-4650 being actively exploited in the wild?
It is possible that CVE-2014-4650 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.