CVE-2024-23680
AWS Encryption SDK for Java Improper Verification of Cryptographic Signature
MEDIUM
5.3
CVSS Score
Published: January 19, 2024 at 08:44 PM UTC
Updated: July 14, 2026 at 11:17 PM UTC
1 product affected across 1 vendorAWS Encryption SDK
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
AWS Encryption SDK for Java versions 2.0.0 to 2.2.0 and less than 1.9.0 incorrectly validates some invalid ECDSA signatures.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.9.02.0.0 ≤ v < 2.2.0
Affected range stops below 1.9.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.2.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
Vendor AdvisoryPatchThird Party Advisory
Source: [email protected]
https://github.com/advisories/GHSA-55xh-53m6-936rVendor AdvisoryPatch
Source: [email protected]
https://github.com/aws/aws-encryption-sdk-java/security/advisories/GHSA-55xh-53m6-936rThird Party Advisory
Source: [email protected]
https://vulncheck.com/advisories/vc-advisory-GHSA-55xh-53m6-936rSSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.3MEDIUMCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-347
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