How severe is CVE-2021-22097?

CVE-2021-22097 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-22097 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22097?

CVE-2021-22097 affects Vmware Spring Advanced Message Queuing Protocol. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22097?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-22097 published?

CVE-2021-22097 was published on 2021-10-28 and last updated on 2026-06-17.

CVE-2021-22097

CVE-2021-22097 is a medium-severity vulnerability in Vmware Spring Advanced Message Queuing Protocol with a CVSS 3.x base score of 6.5. 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-502.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Vmware Spring Advanced Message Queuing Protocol
Published: 2021-10-28
Last modified: 2026-06-17

Description

In Spring AMQP versions 2.2.0 - 2.2.18 and 2.3.0 - 2.3.10, the Spring AMQP Message object, in its toString() method, will deserialize a body for a message with content type application/x-java-serialized-object. It is possible to construct a malicious java.util.Dictionary object that can cause 100% CPU usage in the application if the toString() method is called.

Frequently asked questions

What is CVE-2021-22097?: In Spring AMQP versions 2.2.0 - 2.2.18 and 2.3.0 - 2.3.10, the Spring AMQP Message object, in its toString() method, will deserialize a body for a message with content type application/x-java-serialized-object. It is possible to construct a malicious java.util.Dictionary object that can cause 100% CPU usage in the application if the toString() method is called.
How severe is CVE-2021-22097?: CVE-2021-22097 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-22097 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22097?: CVE-2021-22097 affects Vmware Spring Advanced Message Queuing Protocol. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22097?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22097 published?: CVE-2021-22097 was published on 2021-10-28 and last updated on 2026-06-17.

References

https://tanzu.vmware.com/security/cve-2021-22097

Affected products (1)

cpe:2.3:a:vmware:spring_advanced_message_queuing_protocol:*:*:*:*:*:*:*:*

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