02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: redhatA flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a
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 57.3% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. 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
- 2020-05-15 18:52Z6 YR AGO
- Last updated
- 2024-08-04 06:46Z2 YR AGO
- Reserved
- 2019-11-27
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-297Improper Validation of Certificate with Host MismatchVariant
- CWE-295Improper Certificate ValidationBase
- Data version
- 5.1
- Document digest
- 8530f1ccd4307fcd49c2187293199a5fca77b9fed29897d3fb290e9623fe74fd
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
Red Hatkeycloakkeycloak versions before 10.0.0—