Auth bypass in Pysaml2 Project
CVE-2017-1000433
pysaml2 version 4.4.0 and older accept any password when run with python optimizations enabled. This allows attackers to log in as any user without knowing their password.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Pysaml2 Project
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.debian.org/debian-lts-announce/2018/07/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
- github.com/rohe/pysaml2/issues/451 (Patch, VDB Entry, Third Party Advisory)
- security.gentoo.org/glsa/201801-11 (vendor-advisory, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2021/02/msg00038.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-1000433?
- CVE-2017-1000433 is a high-severity vulnerability in Pysaml2 Project, classified under Improper Authentication. CVSS score: 8.1/10. Published 2018-01-02.
- How severe is CVE-2017-1000433?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2017-1000433 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.