CVE-2017-1000246
MEDIUM5.3EPSS 0.12%Pysaml2 improperly initializes encryption vector
Published: 7/16/2018Modified: 4/28/2026
Description
Python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.
Affected packages (3)
- Debian/python-pysaml2from 0, < 4.5.0-4
- PyPI/pysaml2from 0, < 4.6.0
- PyPI/pysaml2from 0, < 4.6.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-cq94-qf6q-mf2h
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-1000246
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2017-1000246
- PATCHhttps://github.com/rohe/pysaml2
- WEBhttps://github.com/IdentityPython/pysaml2/pull/519/commits/7323f5c20efb59424d853c822e7a26d1aa3e84aa
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/pysaml2/PYSEC-2017-26.yaml
- WEBhttps://github.com/rohe/pysaml2/issues/417