What is CVE-2025-36520?

CVE-2025-36520 is a high-severity vulnerability in Bloomberg Comdb2, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-07-22.

How severe is CVE-2025-36520?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-36520 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Bloomberg Comdb2

CVE-2025-36520

A null pointer dereference vulnerability exists in the net_connectmsg Protocol Buffer Message functionality of Bloomberg Comdb2 8.1. A specially crafted network packets can lead to a denial of service. An attacker can send packets to trigger this vulnerability.

EPSS: 0.009 (56.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Bloomberg Comdb2 — versions 8.1

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

talos-cna@cisco.com (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-36520?: CVE-2025-36520 is a high-severity vulnerability in Bloomberg Comdb2, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-07-22.
How severe is CVE-2025-36520?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-36520 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.