Deserialization in VMware Spring Advanced Message Queuing Protocol
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- VMware Spring Advanced Message Queuing Protocol
- Spring Amqp — versions Spring AMQP versions 2.2.X prior to 2.2.19 and 2.3.x prior to 2.3.11 .
Weakness classification (CWE)
Public proof-of-concept exploits
References
- tanzu.vmware.com/security/cve-2021-22097 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22097?
- CVE-2021-22097 is a medium-severity vulnerability in VMware Spring Advanced Message Queuing Protocol, classified under Deserialization of Untrusted Data. CVSS score: 6.5/10. Published 2021-10-28.
- How severe is CVE-2021-22097?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-22097 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.