What’s Vulnerable › Vulnerabilities

CVE-2023-28509: Weak encryption in UniRPC protocol

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-29 · updated 2026-06-17
• Weakness: CWE-327

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 use weak encryption for packet-level security and passwords transferred on the wire.

Affected products

• Rocket Software UniData: through 8.2.4
• Rocket Software UniVerse: through 11.3.5; from 12.0.0 through 12.2.1

References

• https://www.rapid7.com/blog/post/2023/03/29/multiple-vulnerabilities-in-rocket-software-unirpc-server-fixed/
• https://www.rapid7.com/blog/post/2023/03/29/multiple-vulnerabilities-in-rocket-software-unirpc-server-fixed/

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