CVE-2023-28503
CriticalPublic exploitRocket 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…
Published Mar 29, 2023 · Updated Feb 18, 2025
Key Facts
Patch immediately- CVE-2023-28503 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting UniData (Rocketsoftware), UniVerse (Rocketsoftware).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 62% probability of exploitation in the next 30 days.
- Fixed versions are available, including UniData <=8.2.4, UniData 8.2.43.3003, UniVerse <=11.3.5.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
62%
Higher than 99.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-28503 brief as a PDF
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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.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| UniDataRocketsoftware | See advisory | 8.2.4 |
| UniVerseRocketsoftware | See advisory | 11.3.5 |
Patched Releases
UniData
<=8.2.4, 8.2.43.3003
UniVerse
<=11.3.5, 11.3.5.1001, 12.2.1.2002
Timeline
Publicly disclosed
Mar 29, 2023
Last updated
Feb 18, 2025
Weakness Type
- CWE-287 Improper Authentication
- CWE-798 Use of Hard-coded Credentials
References
FAQ
Common Questions.
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 roo…
Affected: UniData (Rocketsoftware); UniVerse (Rocketsoftware). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including UniData <=8.2.4, UniData 8.2.43.3003, UniVerse <=11.3.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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