2021-40089 | PrimeKey EJBCA General Purpose Custom Publisher access control
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability was found in PrimeKey EJBCA up to 7.5.x. It has been classified as critical. This affects an unknown code of the component General Purpose Custom Publisher. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-284. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
An issue was discovered in PrimeKey EJBCA before 7.6.0. The General Purpose Custom Publisher, which is normally run to invoke a local script upon a publishing operation, was still able to run if the System Configuration setting Enable External Script Access was disabled. With this setting disabled it’s not possible to create new such publishers, but existing publishers would continue to run.
The weakness was disclosed 08/25/2021. The advisory is shared at support.primekey.com. This vulnerability is uniquely identified as CVE-2021-40089 since 08/25/2021. The exploitability is told to be difficult. The attack needs to be initiated within the local network. A authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
Upgrading to version 7.6.0 eliminates this vulnerability.
VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4
Status: Not defined
0-Day Time: 🔒
Upgrade: EJBCA 7.6.0
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