CVE-2021-21603
jenkins: XSS vulnerability in notification bar
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 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a cross-site scripting (XSS) vulnerability.
Jenkins versiones 2.274 y anteriores, LTS versiones 2.263.1 y anteriores, no escapan el contenido de respuesta de la barra de notificaciones, resultando en una vulnerabilidad de tipo cross-site scripting (XSS).
A flaw was found in jenkins. A cross-site scripting (XSS) vulnerability is possible due to the contents of the notification bar responses not being properly escaped. The highest threat from this vulnerability is to data confidentiality and integrity.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-04 CVE Reserved
- 2021-01-13 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-03 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
References (3)
URL | Tag | Source |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1889 | 2023-11-02 | |
https://access.redhat.com/security/cve/CVE-2021-21603 | 2021-03-03 | |
https://bugzilla.redhat.com/show_bug.cgi?id=1925160 | 2021-03-03 |
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" | <= 2.263.1 Search vendor "Jenkins" for product "Jenkins" and version " <= 2.263.1" | lts |
Affected
| ||||||
Jenkins Search vendor "Jenkins" | Jenkins Search vendor "Jenkins" for product "Jenkins" | <= 2.274 Search vendor "Jenkins" for product "Jenkins" and version " <= 2.274" | - |
Affected
|