Critical severity · published Feb 20, 2020
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…
9.8
CVSS
23.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)23.9% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
5.0; 6.0; 7.0 · source: NVD
PY
Python · Python
2.7.0 before 2.7.8; 3.2.0 before 3.2.6; 3.3.0 before 3.3.6; 3.4.0 before 3.4.2 · source: NVD
SC
Software Collections · Redhat
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-4650
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-4650
Exploit
http://bugs.python.org/issue21766
Mailing List
http://openwall.com/lists/oss-security/2014/06/26/3
Third Party Advisory
https://access.redhat.com/security/cve/cve-2014-4650
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