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Vulnerabilities

Vulnerability · CVE-2025-29953

Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client.

Published Apr 18, 2025 · catalog updated Apr 23, 2025 · Apache Software Foundation Apache ActiveMQ NMS OpenWire Client

Check if you run it

No confirmed exploitation is on record for CVE-2025-29953. EPSS is 2.05%. Act only if a listed version of Apache Software Foundation Apache ActiveMQ NMS OpenWire Client is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.05%
Remediation
Version ranges on file
Affected products
vendor Apache Software Foundation Apache ActiveMQ NMS OpenWire Client 0 <2.1.1

Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious responses that may eventually cause arbitrary code execution on the client. Version 2.1.0 introduced a allow/denylist feature to restrict deserialization, but this feature could be bypassed. The .NET team has deprecated the built-in .NET binary serialization feature starting with .NET 9 and suggests mig

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Apache Software Foundation Apache ActiveMQ NMS OpenWire Client 0 <2.1.10 <2.1.1

How to fix CVE-2025-29953

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-29953. EPSS is 2.05%. Act only if a listed version of Apache Software Foundation Apache ActiveMQ NMS OpenWire Client is installed.

Which versions are affected?

Compare what you have installed with Apache Software Foundation Apache ActiveMQ NMS OpenWire Client 0 <2.1.1 0 <2.1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 2.05%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 18, 2025 · EUVD

    Detected

    Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious responses that may eventually cause arbitrary code execution on the client. Version 2.1.0 introduced a a

  2. Apr 23, 2025 · EUVD

    Updated

    Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious responses that may eventually cause arbitrary code execution on the client. Version 2.1.0 introduced a a

Sources

  • CVE.orgVulnerability recordCVE-2025-29953

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-29953

    30-day exploitation probability 2.1%

    first.org
  • EUVDVulnerability recordEUVD-2025-11871

    Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to pr

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.