CVE-2023-34050

Spring AMQP Deserialization Vulnerability

MEDIUM
4.3
CVSS Score
Published: October 19, 2023 at 07:11 AM UTC
Updated: June 17, 2026 at 06:02 AM UTC
2 products affected across 2 vendorsSpring Advanced Message Queuing ProtocolSpring Advanced Message Queuing Protocol

Using Spring AMQP by Spring?

Get instant alerts when new vulnerabilities affect Spring AMQP - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.3
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

In spring AMQP versions 1.0.0 to 2.4.16 and 3.0.0 to 3.0.9 , allowed list patterns for deserializable class names were added to Spring AMQP, allowing users to lock down deserialization of data in messages from untrusted sources; however by default, when no allowed list was provided, all classes could be deserialized. Specifically, an application is vulnerable if * the SimpleMessageConverter or SerializerMessageConverter is used * the user does not configure allowed list patterns * untrusted message originators gain permissions to write messages to the RabbitMQ broker to send malicious content

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1.0.0 ≤ v < 2.4.163.0.0 ≤ v < 3.0.9
Affected range stops below 2.4.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.0.9, so it looks safe — our inference, not a vendor statement
1.0.0 ≤ v < 2.4.173.0.0 ≤ v < 3.0.101.0.03.0.0
Affected range stops below 2.4.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.0.10, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card