Authentication bypass in UniRPC's udadmin service
CVE-2023-28503

9.8CRITICAL

Key Information:

Vendor

Rocket Software

Status
Unidata
Universe
Vendor
CVE Published:
29 March 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 63%

What is CVE-2023-28503?

Rocket Software's UniData and UniVerse products are impacted by a vulnerability that allows an attacker to bypass authentication mechanisms. By exploiting this flaw with a specific username and a predictable password, an unauthorized user can execute operating system commands with root privileges. This security issue poses significant risks, highlighting the need for users to update to the latest versions to mitigate exposure and protect their systems.

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Deploy the Patch

Affected Version(s)

UniData Linux 0 < 8.2.43.3003

UniVerse Linux 0 < 11.3.5.1001

UniVerse Linux 0 < 12.2.1.2002

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Metasploit exploit module for CVE-2023-28503
Created by Rapid7

References

https://www.rapid7.com/blog/post/2023/03/29/multiple-vuln...
third-party-advisory
http://packetstormsecurity.com/files/171854/Rocket-Softwa...

EPSS Score

63% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ron Bowes
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