01 Record
CVE-2020-2253
Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.
UnratedPUBLISHEDCNA: jenkins
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.
03 Exploitation and scoring
- 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
- 0.69% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 52.3% of scored records. A rank, not a probability.
- NVD base score
- 4.8 (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:L/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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.
04 Metadata
- Published
- 2020-09-16 13:20Z6 YR AGO
- Last updated
- 2024-08-04 07:01Z2 YR AGO
- Reserved
- 2019-12-05
- Assigning CNA
- jenkins
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-295Improper Certificate ValidationBase
- Data version
- 5.1
- Document digest
- 21f0c29aaba322e00d5818f7278e5b120586f1ca01259886fcc49d7ece12710e
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.jenkins.iohttps://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1851
- www.openwall.com[oss-security] 20200916 Multiple vulnerabilities in Jenkins pluginshttp://www.openwall.com/lists/oss-security/2020/09/16/3