Critical severity · published Mar 29, 2023
CVE-2023-28503
Authentication bypass in UniRPC's udadmin service
9.8
CVSS
62.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)62.1% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UN
UniData · Rocket Software
before 8.2.43.3003 · source: vendor, NVD
UN
UniVerse · Rocket Software
before 11.3.5.1001; before 12.2.1.2002 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28503
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28503
packetstormsecurity.com
http://packetstormsecurity.com/files/171854/Rocket-Software-Unidata-udadmin_server-Authentication-Bypass.html
Third Party Advisory
https://www.rapid7.com/blog/post/2023/03/29/multiple-vulnerabilities-in-rocket-software-unirpc-server-fixed/
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