CVE-2021-21610
Published Jan 13, 2021
Last updated a year ago
Overview
- Description
- Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query parameter, resulting in a reflected cross-site scripting (XSS) vulnerability if the configured markup formatter does not prohibit unsafe elements (JavaScript) in markup.
- Source
- jenkinsci-cert@googlegroups.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.1
- Impact score
- 2.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
- nvd@nist.gov
- CWE-79
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1D0A8DA2-6151-430D-9FC2-1332E25B4E3B",
"versionEndIncluding": "2.263.1"
},
{
"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9A6F1AB1-BFB3-448F-BDAC-2A3487CBFEB6",
"versionEndIncluding": "2.274"
}
],
"operator": "OR"
}
]
}
]