Security readout for executives and security teams
Plain-English summary
This flaw affects AWS Encryption SDK for Java versions that can accept some invalid ECDSA signatures. In business terms, a system relying on those signatures for message authenticity could make a trust decision on data that should have failed verification. The published impact is limited to integrity, not data disclosure or service outage.
Executive priority
Treat this as a focused integrity-risk update, not an emergency outage event. Prioritize systems using the affected Java SDK for sensitive data authenticity, especially internet-facing services or workflows where forged trust decisions would cause business harm.
Technical view
CVE-2024-23680 is CWE-347 improper signature verification in com.amazonaws:aws-encryption-sdk-java. The source bundle identifies versions below 1.9.0 and 2.0.0 through 2.2.0 as affected. The CVSS 3.1 score is 5.3 with network reachability, no privileges, no user interaction, and low integrity impact.
Likely exposure
Exposure is likely limited to Java applications that include com.amazonaws:aws-encryption-sdk-java in the affected version ranges and depend on ECDSA signature validation for encrypted message authenticity.
Exploitation context
The bundle does not show CISA KEV listing or any cited evidence of active exploitation. The CVSS vector indicates remote reachability without authentication, but the documented consequence is accepting some invalid signatures, not full compromise.
Researcher notes
The public bundle is narrow: it identifies improper ECDSA signature validation and affected version ranges, but does not provide exploit evidence, exploit maturity, or detailed attack preconditions. Avoid extrapolating beyond SDK usage and integrity impact without vendor-specific application context.
Mitigation direction
- Inventory Java dependencies for com.amazonaws:aws-encryption-sdk-java.
- Upgrade affected deployments to a version outside the listed vulnerable ranges.
- Prioritize applications where signature validation protects high-value data or workflows.
- Check AWS and GitHub advisory guidance before production rollout.
- Regression test encryption and decryption compatibility after upgrading.
Validation and detection
- Review SBOMs, lockfiles, and build manifests for the affected package.
- Confirm deployed runtime artifacts match remediated dependency versions.
- Test that signature validation failures are rejected after remediation.
- Search application logs for unusual signature verification failures or trust-decision anomalies.
- Document any compensating controls where immediate upgrade is delayed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-347: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-23680 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/aws/aws-encryption-sdk-java/security/advisories/GHSA-55xh-53m6-936rCVE reference, VulnCheck · vendor-advisory
- https://github.com/advisories/GHSA-55xh-53m6-936rCVE reference, VulnCheck · vendor-advisory
- https://vulncheck.com/advisories/vc-advisory-GHSA-55xh-53m6-936rCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Verification of Cryptographic Signature
Improper Verification of Cryptographic Signature represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.