02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: mitrePython package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.91% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 57.6% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.1
- Published
- 2017-11-17 04:00Z8 YR AGO
- Last updated
- 2024-09-17 04:04Z1 YR AGO
- Reserved
- 2017-11-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-330Use of Insufficiently Random ValuesClass
- CWE-323Reusing a Nonce, Key Pair in EncryptionBase
- Data version
- 5.1
- Document digest
- 8e2213b15d737bab8efac3749c1e28b68fcd579f631faab514646dc92fea4d53
05 Affected products
PAIRS: 2VendorProductVersionsPlatforms
pysaml2_projectpysaml2Not specified—