CVE-2020-2162 : Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not set Content-Security-Policy headers for files uploaded as fi

Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not set Content-Security-Policy headers for files uploaded as file parameters to a build, resulting in a stored XSS vulnerability.

Published 2020-03-25 17:15:15

Updated 2023-11-02 21:11:46

Source Jenkins Project

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Threat overview for CVE-2020-2162

Top countries where our scanners detected CVE-2020-2162

Top open port discovered on systems with this issue 80

IPs affected by CVE-2020-2162 10,179

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2020-2162!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-2162

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 20 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2020-2162

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2020-2162

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Assigned by:
- jenkinsci-cert@googlegroups.com (Secondary)
- nvd@nist.gov (Primary)

References for CVE-2020-2162

http://www.openwall.com/lists/oss-security/2020/03/25/2

oss-security - Multiple vulnerabilities in Jenkins and Jenkins plugins
Mailing List;Third Party Advisory

CVEs referencing this url
https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1793

Jenkins Security Advisory 2020-03-25
Vendor Advisory

Products affected by CVE-2020-2162