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CVE-2022-2576

HIGH
7.5
CVSS Score
Published: July 29, 2022 at 01:20 PM UTC
Updated: June 17, 2026 at 04:42 AM UTC
1 product affected across 1 vendorCalifornium

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%

Description

In Eclipse Californium version 2.0.0 to 2.7.2 and 3.0.0-3.5.0 a DTLS resumption handshake falls back to a DTLS full handshake on a parameter mismatch without using a HelloVerifyRequest. Especially, if used with certificate based cipher suites, that results in message amplification (DDoS other peers) and high CPU load (DoS own peer). The misbehavior occurs only with DTLS_VERIFY_PEERS_ON_RESUMPTION_THRESHOLD values larger than 0.

Affected

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

Californium· Eclipse
95%
v ≥ 2.0.0v ≥ 3.0.0v ≤ 2.7.2v ≤ 3.5.02.0.0 ≤ v ≤ 2.7.23.0.0 ≤ v ≤ 3.5.02.0.03.0.0

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)

x_refsource_CONFIRMExploitIssue TrackingVendor Advisory
Source: [email protected]
https://bugs.eclipse.org/580018

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-408NVD-CWE-noinfo

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