CVE-2025-36520

Name: CVE-2025-36520
Creator: NVD / NIST
Published: 2025-07-22T16:15:27.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2025-36520 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.91%

55.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Bloomberg	Comdb2	8.1

References

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2197
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2197Exploit, Third Party Advisory

Timeline

Published: Jul 22, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-36520?

How severe is CVE-2025-36520?

CVE-2025-36520 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2025-36520?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-36520?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST