CVE-2017-1000246: pysaml2_project pysaml2 Use of Insufficiently Random Values
Vulnerability summary
CVE-2017-1000246 is a medium (CVSS 5.3) Use of Insufficiently Random Values vulnerability in pysaml2_project pysaml2. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 59.3% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 17-11-2017PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 4 sources · 3 versions- OSV · PypiEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.89%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.89% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- python-pysaml2< 4.5.0-4
PyPI1 product
- pysaml2< 4.6.0
Pysaml2_project1 product
- pysaml2< 4.6.0
Ubuntu1 product
- python-pysaml2All versions (No fix recorded)
4 vendors · 4 products
References
9 links- github.com/rohe/pysaml2PACKAGE