CVE-2017-1000433
This allows attackers to log in as any user without knowing their password.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.54% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- pysaml2 project/pysaml2 · debian/debian linux
- Source
- cve@mitre.org
EPSS 2.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/rohe/pysaml2/issues/451Patch, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/07/msg00000.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00038.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201801-11Issue Tracking, Third Party Advisory
- https://github.com/rohe/pysaml2/issues/451Patch, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/07/msg00000.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00038.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201801-11Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.