5.3

CVE-2017-1000246: pysaml2_project pysaml2 Use of Insufficiently Random Values

Modified
AliasesGHSA-cq94-qf6q-mf2hPYSEC-2017-26UBUNTU-CVE-2017-1000246
Published 17-11-2017Last modified 17-09-2024

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.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
0.89%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 17-11-2017
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last 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

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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

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
Ubuntu1 product
  • python-pysaml2All versions (No fix recorded)

4 vendors · 4 products

References

9 links