CVE-2023-28503

Authentication bypass in UniRPC's udadmin service

Description

Rocket Software UniData versions prior to 8.2.4 build 3003 and UniVerse versions prior to 11.3.5 build 1001 or 12.2.1 build 2002 suffer from an authentication bypass vulnerability, where a special username with a deterministic password can be leveraged to bypass authentication checks and execute OS commands as the root user.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 65.09% Top 5%
Third-Party Advisory rapid7.com
Affected: Rocket Software UniData
Affected: Rocket Software UniVerse
Published at:
Updated at:

References

Link Tags
https://www.rapid7.com/blog/post/2023/03/29/multiple-vulnerabilities-in-rocket-software-unirpc-server-fixed/ third party advisory
http://packetstormsecurity.com/files/171854/Rocket-Software-Unidata-udadmin_server-Authentication-Bypass.html

Frequently Asked Questions

What is the severity of CVE-2023-28503?
CVE-2023-28503 has been scored as a critical severity vulnerability.
How to fix CVE-2023-28503?
To fix CVE-2023-28503, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-28503 being actively exploited in the wild?
It is possible that CVE-2023-28503 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~65% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28503?
CVE-2023-28503 affects Rocket Software UniData, Rocket Software UniVerse.
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