What is CVE-2023-33861?

CVE-2023-33861 is a medium-severity vulnerability in IBM Security Qradar Edr, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2025-05-20.

How severe is CVE-2023-33861?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in IBM Security Qradar Edr

CVE-2023-33861

IBM Security ReaQta EDR 3.12 could allow an attacker to spoof a trusted entity by interfering with the communication path between the host and client.

Vulnerability class: Improper Certificate Validation

Published 2025-05-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

www.ibm.com/support/pages/node/7233972 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-33861?: CVE-2023-33861 is a medium-severity vulnerability in IBM Security Qradar Edr, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2025-05-20.
How severe is CVE-2023-33861?: Medium severity. CVSS v3 base score is 6.5 out of 10.