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.
Published 2021-10-28 16:15:08
Updated 2021-11-01 15:57:10
Source VMware
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-22097

Probability of exploitation activity in the next 30 days: 0.08%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 34 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-22097

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:C
8.0
6.9
NIST
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.8
3.6
NIST

CWE ids for CVE-2021-22097

  • The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@vmware.com (Secondary)

References for CVE-2021-22097

Products affected by CVE-2021-22097

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