// For flags

CVE-2020-2221

jenkins: Stored XSS vulnerability in upstream cause

Severity Score

5.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the upstream job's display name shown as part of a build cause, resulting in a stored cross-site scripting vulnerability.

Jenkins versiones 2.244 y anteriores, LTS versiones 2.235.1 y anteriores, no escapan el nombre a desplegar del trabajo anterior que se muestra como parte de una causa de compilación, resultando en una vulnerabilidad de tipo cross-site scripting almacenado

A flaw was found in Jenkins versions 2.244 and prior and in LTS 2.235.1 and prior. The upstream job's display name is not escaped on build time trend pages which could lead to a stored cross-site scripting (XSS) vulnerability. The user must have the Agent/Configure permission for this exploit to function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-12-05 CVE Reserved
  • 2020-07-15 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Jenkins
Search vendor "Jenkins"
 Jenkins
Search vendor "Jenkins" for product "Jenkins"
 <= 2.235.1
Search vendor "Jenkins" for product "Jenkins" and version " <= 2.235.1"
lts
Affected
Jenkins
Search vendor "Jenkins"
 Jenkins
Search vendor "Jenkins" for product "Jenkins"
 <= 2.244
Search vendor "Jenkins" for product "Jenkins" and version " <= 2.244"
-
Affected