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CVE-2021-22097

22
FAUCET Score

CVE-2021-22097 is a deserialization vulnerability affecting Spring AMQP versions 2.2.0-2.2.18 and 2.3.0-2.3.10. A malicious java.util.Dictionary object, when deserialized via the toString() method of a Spring AMQP Message with content type application/x-java-serialized-object, can lead to 100% CPU utilization, causing a denial of service. With a CVSS score of 6.5 (Medium), this vulnerability has a low attack complexity and requires low privileges, but does not impact confidentiality or integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.2.0, <= 2.2.18CPE matchmatch criteria
cpe:2.3:a:vmware:spring_advanced_message_queuing_protocol:*:*:*:*:*:*:*:*
>= 2.3.0, <= 2.3.10CPE matchmatch criteria
cpe:2.3:a:vmware:spring_advanced_message_queuing_protocol:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 74th percentile among its peer group of 21,957 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.springframework.amqp:spring-amqpFixed in: 2.2.19
mavenpatch availablevia ghsa
Product: org.springframework.amqp:spring-amqpFixed in: 2.3.11

Vendor Advisories (1)

mavenGHSA-fx7f-rjqj-52pjmedium

Deserialization of Untrusted Data in Spring AMQP

May 24, 2022

References

tanzu.vmware.com / security/cve-2021-22097
Vendor Advisory