THREATPORT/VULNERABILITY/CVE-2023-28503
CRITICAL SEVERITY

CVE-2023-28503

Unidata vulnerability

CVSS
9.8
EPSS
62.1%
EPSS pct
99th
Exploited
No known
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 vendor
Rocketsoftware
Affected product
Unidata
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-798 — Use of Hard-coded Credentials
  • CWE-287 — Improper Authentication
Published
2023-03-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 62.1% reflects a high probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2023-28503

  • Confirm whether Rocketsoftware Unidata is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-28503.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-28503

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-28503 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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