CVE-2014-4650
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 24.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 24.70% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- python/python · redhat/software collections · redhat/enterprise linux
- Source
- cve@mitre.org
References
- http://bugs.python.org/issue21766Exploit, Patch, Vendor Advisory
- http://openwall.com/lists/oss-security/2014/06/26/3Mailing List, Third Party Advisory
- https://access.redhat.com/security/cve/cve-2014-4650Third Party Advisory
- http://bugs.python.org/issue21766Exploit, Patch, Vendor Advisory
- http://openwall.com/lists/oss-security/2014/06/26/3Mailing List, Third Party Advisory
- https://access.redhat.com/security/cve/cve-2014-4650Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.