CVE-2015-2296

medium
Published 2015-03-18 · Modified 2023-11-08
CVSS v3
CVSS v2
6.8
VIR risk
6.8

Description

The resolve_redirects function in sessions.py in requests 2.1.0 through 2.5.3 allows remote attackers to conduct session fixation attacks via a cookie without a host value in a redirect.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-2296

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://warehouse.python.org/project/requests/2.6.0/

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2015-2296.html

OS impact

OSVersionStatusFixed in
suse slesaffected
ubuntu ubuntu14.04affected
ubuntu ubuntu14.10affected
debian debianbookwormfixed2.4.3-6
debian debianbullseyefixed2.4.3-6
debian debianforkyfixed2.4.3-6
debian debiansidfixed2.4.3-6
debian debiantrixiefixed2.4.3-6

Package impact

EcosystemPackageVulnerableFixed
python PyPIrequests>=2.1.0,<2.6.02.6.0
python PyPIrequests<3bd8afbff29e50b38f889b2f688785a669b9aafc||>=2.1.0,<2.6.03bd8afbff29e50b38f889b2f688785a669b9aafc

Application impact

VendorProductVersionsFixed
python pythonrequests2.1.0
python pythonrequests2.2.1
python pythonrequests2.3.0
python pythonrequests2.4.0
python pythonrequests2.4.1
python pythonrequests2.4.2
python pythonrequests2.4.3
python pythonrequests2.5.0
python pythonrequests2.5.1
python pythonrequests2.5.2
python pythonrequests2.5.3

References

Verify integrity in audit chain (admin only). AS-IS.