CVE-2020-2161

Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.

CVSS v3 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.openwall.com/lists/oss-security/2020/03/25/2	Mailing List Third Party Advisory
https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1781	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:jenkins:jenkins:::::lts:::*
	cpe:2.3:a:jenkins:jenkins:::::-:::*

History

No history.

Information

Published : 2020-03-25 17:15

Updated : 2023-12-10 13:27

NVD link : CVE-2020-2161

Mitre link : CVE-2020-2161

CVE.ORG link : CVE-2020-2161

JSON object : View

Products Affected

jenkins

jenkins

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2020-2161", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "published": "2020-03-25T17:15:15.000", "references": [{"url": "http://www.openwall.com/lists/oss-security/2020/03/25/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "jenkinsci-cert@googlegroups.com"}, {"url": "https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1781", "tags": ["Vendor Advisory"], "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels."}, {"lang": "es", "value": "Jenkins versiones 2.227 y anteriores, LTS versiones 2.204.5 y versiones anteriores, no se escapan apropiadamente las etiquetas de nodo que son mostradas en la comprobaci\u00f3n del formulario para las expresiones de etiqueta en las p\u00e1ginas de configuraci\u00f3n del trabajo, resultando en una vulnerabilidad de tipo XSS almacenado explotable por usuarios capaces de definir etiquetas de nodo."}], "lastModified": "2023-11-02T21:11:34.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "CFE13DC6-8F0E-458C-AD96-32E8F057CA18", "versionEndIncluding": "2.204.5"}, {"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "861CC050-ED58-468C-BC49-76C840E22E3D", "versionEndIncluding": "2.227"}], "operator": "OR"}]}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com"}