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CVE-2023-28504

29
FAUCET Score

CVE-2023-28504 is a critical stack-based buffer overflow vulnerability affecting 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. This flaw, rated 9.8 CVSS (Critical), allows for unauthenticated remote code execution as the root user, indicating a severe risk with no user interaction required. Despite its critical nature and high potential impact, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.2.4CPE matchmatch criteria
cpe:2.3:a:rocketsoftware:unidata:*:*:*:*:*:*:*:*
<= 11.3.5CPE matchmatch criteria
cpe:2.3:a:rocketsoftware:universe:*:*:*:*:*:*:*:*
>= 12.0.0, <= 12.2.1CPE matchmatch criteria
cpe:2.3:a:rocketsoftware:universe:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 57th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

rapid7.com / blog/post/2023/03/29/multiple-vulnerabilities-in-rocket-software-unirpc-server-fixed
Third Party Advisory