Medium severity · published Nov 27, 2019
CVE-2016-1000110
The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash in a CGI script, which could allow a remote attacker to redirect HTTP…
6.1
CVSS
4.5%
EPSS
No
On KEV
Description
The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash in a CGI script, which could allow a remote attacker to redirect HTTP requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)4.5% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
23 · source: NVD
PY
Python · Python
2.7.0 before 2.7.13; 3.3.0 before 3.3.7; 3.4.0 before 3.4.6; 3.5.0 before 3.5.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-1000110
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-1000110
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-1000110
Issue Tracking
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2016-1000110
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K3WFJO3SJQCODKRKU6EQV3ZGHH53YPU/
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2016-1000110
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder
