How severe is CVE-2025-36520?

CVE-2025-36520 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-36520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-36520?

CVE-2025-36520 affects Bloomberg Comdb2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-36520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-36520 have an EU (EUVD) identifier?

Yes. CVE-2025-36520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22322.

When was CVE-2025-36520 published?

CVE-2025-36520 was published on 2025-07-22 and last updated on 2026-06-17.

CVE-2025-36520

CVE-2025-36520 is a high-severity vulnerability in Bloomberg Comdb2 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22322
Weakness: CWE-476
Affected product: Bloomberg Comdb2
Published: 2025-07-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-36520?: CVE-2025-36520 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-36520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-36520?: CVE-2025-36520 affects Bloomberg Comdb2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-36520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-36520 have an EU (EUVD) identifier?: Yes. CVE-2025-36520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22322.
When was CVE-2025-36520 published?: CVE-2025-36520 was published on 2025-07-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bloomberg:comdb2:8.1:*:*:*:*:*:*:*

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