CVE-2021-21607
jenkins: Excessive memory allocation in graph URLs leads to denial of service
Severity Score
6.5
*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 limit sizes provided as query parameters to graph-rendering URLs, allowing attackers to request crafted URLs that use all available memory in Jenkins, potentially leading to out of memory errors.
Jenkins versiones 2.274 y anteriores, LTS versiones 2.263.1 y anteriores, no limitan tamaños proporcionados como parámetros de consulta hacia unas URL de representación de gráficos, permitiendo a atacantes pedir URL diseñadas que usan toda la memoria disponible en Jenkins, conllevando potencialmente a unos errores de memoria insuficiente.
*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-770: Allocation of Resources Without Limits or Throttling
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-2025 | 2023-10-25 | |
| https://access.redhat.com/security/cve/CVE-2021-21607 | 2021-03-03 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1925156 | 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
| ||||||