XML injection in jenkins (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-21604 |
| CWE-ID | CWE-91 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
jenkins (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) XML injection
EUVDB-ID: #VU49526
Risk: Medium
CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21604
CWE-ID:
CWE-91 - XML Injection
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper handling of REST API XML deserialization errors. A remote authenticated attacker can pass specially crafted XML data to the application and perform arbitrary actions on the system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsjenkins (Alpine package): 2.73.3-r0 - 2.275-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=dc5a6fe29b770608c4b2c0e2681a71db5650e84b
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
