CVE-2023-21890

Vulnerability in the Oracle Communications Converged Application Server product of Oracle Communications (component: Core)

Critical · published January 17, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
57.4
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can exploit this vulnerability with just a UDP packet—no login required! Talk about a security nightmare! 🔥 Think of it like a hotel that lets anyone waltz in through the emergency exit without checking IDs. An attacker could easily take control without any hassle, putting all the guests’ data at serious risk. If exploited, this vulnerability allows an attacker to completely seize control of the Oracle Communications Converged Application Server. The consequences could be absolutely devastating, leading to unauthorized data access, manipulation, and potential downtime that could cripple operations!

Put simply

Think of it like a hotel that lets anyone waltz in through the emergency exit without checking IDs. An attacker could easily take control without any hassle, putting all the guests’ data at serious risk. This vulnerability stems from the lack of proper authentication checks in the Oracle Communications Converged Application Server, allowing unauthenticated network access via UDP packets. Versions 7.1.0 and 8.0.0 are particularly affected.

What to do

If exploited, this vulnerability allows an attacker to completely seize control of the Oracle Communications Converged Application Server. The consequences could be absolutely devastating, leading to unauthorized data access, manipulation, and potential downtime that could cripple operations! To secure your system, immediately patch to the latest version provided by Oracle. Review your network settings to restrict UDP access and ensure that only authorized users can connect. Regular audits can further help in identifying and mitigating potential risks. You've got this! Secure your systems, and you'll have this vulnerability locked down in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00839 · 57.4th percentile
Published
2023-01-17T23:35Z
EPSS history
Timeline
  • 17 JAN 23:35Z
    Vulnerability in the Oracle Communications Converged Application Server product of Oracle Communications (component: Core)
    cvelistv5