#VU21571 Improper access control in Script Security

Published: 2020-03-18

Vulnerability identifier: #VU21571

Vulnerability risk: High

CVSSv3.1: 8.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2019-1003005


Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Script Security
Web applications / Modules and components for CMS

Vendor: Jenkins


The vulnerability allows a remote attacker to bypass sandbox restrictions.

The vulnerability exists due to improper access restrictions in "src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/SecureGroovyScript.java". A remote authenticated attacker with Overall/Read permission can provide a Groovy script to an HTTP endpoint execute arbitrary code on the Jenkins master JVM.

Install updates from vendor's website.

Vulnerable software versions

Script Security: 1.0 - 1.50

External links

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. However, a fully functional exploit for this vulnerability is available.

Latest bulletins with this vulnerability