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PatchSiren cyber security CVE debrief

CVE-2025-13916 IBM CVE debrief

IBM Aspera Shares versions 1.9.9 through 1.11.0 use weaker than expected cryptographic algorithms, potentially allowing attackers to decrypt highly sensitive information. Defenders should assess exposure, prioritize remediation, and verify decryption impact. This vulnerability requires immediate attention due to its potential for significant data compromise. Affected deployments should be identified, and owners assigned for follow-up. Official advisories and CVE records should be reviewed to validate affected scope, severity, and vendor guidance. Compensating controls for exposed systems should be reviewed while remediation is scheduled and verified. Monitoring, detection, and logs

Vendor
IBM
Product
Aspera Shares
CVSS
MEDIUM 5.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-01
Original CVE updated
2026-09-30
Advisory published
2026-04-01
Advisory updated
2026-09-30

Who should care

Defenders responsible for IBM Aspera Shares deployments should assess exposure and prioritize remediation due to the use of weak cryptographic algorithms.

Why it matters

IBM Aspera Shares uses weaker than expected cryptographic algorithms, potentially allowing attackers to decrypt sensitive information. Defenders should assess exposure, prioritize remediation, and verify decryption impact.

  • Decrypting sensitive information may be possible for attackers
  • Exposure assessment and remediation prioritization are necessary
  • Verification of decryption impact and monitoring for potential attacks is required

Technical summary

IBM Aspera Shares 1.9.9 through 1.11.0 uses weaker than expected cryptographic algorithms, potentially allowing attackers to decrypt highly sensitive information. The vulnerability stems from the implementation of cryptographic protocols that do not meet current security standards. This could enable attackers with access to the system to decrypt sensitive data. Defenders should assess exposure, prioritize remediation, and verify decryption impact. The CVE record and NVD entry provide details on the vulnerability, including its severity and potential impact.

Defensive priority

Medium-priority remediation required for IBM Aspera Shares versions 1.9.9 through 1.11.0 due to use of weak cryptographic algorithms.

Recommended defensive actions

  • Inventory and assess IBM Aspera Shares versions 1.9.9 through 1.11.0 for exposure
  • Prioritize remediation for affected systems
  • Verify decryption impact and monitor for potential attacks

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. IBM Aspera Shares 1.9.9 through 1.11.0 uses weaker than expected cryptographic algorithms. The NVD entry is currently Analyzed.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-13916 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-13916

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-13916 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-13916

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.