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CVE-2023-21890 Oracle Communications Converged Application Server

Affected softwareOracle Communications Converged Application Server
Affected versions7.1.0, 8.0.0
Severity9.8 Critical CVSS 3.1
Fixed inOracle Critical Patch Update January 2023
WeaknessCode injection (CWE-94)
Published18 Jan 2023
Updated17 Jun 2026

Description

Vulnerability in the Oracle Communications Converged Application Server product of Oracle Communications (component: Core). Supported versions that are affected are 7.1.0 and 8.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via UDP to compromise Oracle Communications Converged Application Server. Successful attacks of this vulnerability can result in takeover of Oracle Communications Converged Application Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 3 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.86% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

This is a proprietary Oracle product. Oracle's security advisory is the source of public detail for this CVE.

  • Protection none
  • Action not pursued
  • Review automated Upstream data
  • Record active
Decided by Nothing to build a rule from yet: no published exploit, no CISA record of exploitation and no source-level change to read
Finding This CVE affects a known product, but nothing published names a fix and nothing published shows an exploit. That is a statement about the evidence, not about the defect — it does not mean the vulnerability is unimportant or unreachable, only that neither of the two things VRT can act on exists.

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update January 2023 ↗ CPU 2023-Q1 Oracle Communications / Core (7.1.0, 8.0.0)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Communications Core 7.1.0, 8.0.0 7.1.0 · 8.0.0

Products and versions

1 product, 2 version entries
SourceVendorProductSchemeAffected versions
nvd oracle communications converged application server generic 7.1.0 · 8.0.0

References

URLTags
https://www.oracle.com/security-alerts/cpujan2023.html Patch, Vendor Advisory

Timeline

Published2023-01-18By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.