What is CVE-2023-36619?

CVE-2023-36619 is a critical-severity vulnerability in Unify Session Border Controller, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2023-10-04.

How severe is CVE-2023-36619?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Unify Session Border Controller

CVE-2023-36619

Atos Unify OpenScape Session Border Controller through V10 R3.01.03 allows execution of administrative scripts by unauthenticated users.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-10-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.039 (90.0th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.036 · newest: 0.039 · change: +0.003

Affected products

Unify Session Border Controller — versions 10_r3.01.03

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

sec-consult.com/vulnerability-lab/advisory/authenticated-remote-code-execution-… (Exploit, Third Party Advisory)
packetstormsecurity.com/files/174704/Atos-Unify-OpenScape-Code-Execution-Missin… (Exploit, VDB Entry, Third Party Advisory)
networks.unify.com/security/advisories/OBSO-2307-01.pdf (Vendor Advisory)

Frequently asked questions

What is CVE-2023-36619?: CVE-2023-36619 is a critical-severity vulnerability in Unify Session Border Controller, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2023-10-04.
How severe is CVE-2023-36619?: Critical severity. CVSS v3 base score is 9.8 out of 10.