CVE-2026-108013 HCL Software CVE debrief

Who should care

Defenders responsible for BigFix Platform configurations and deployments should assess exposure and prioritize updating the Mozilla CA certificate bundle. Defenders should verify and update the Mozilla CA certificate bundle used by BigFix Platform to version 2026/10/20 or later. The issue allows an on-path attacker to impersonate remote servers and tamper with files downloaded by the application.

Why it matters

CVE-2026-108013 allows an on-path attacker to impersonate remote servers and tamper with files downloaded by BigFix Platform, defenders should prioritize verifying and updating the Mozilla CA certificate bundle.

• Verify and update the Mozilla CA certificate bundle to prevent certificate impersonation.
• Assess exposure of BigFix Platform deployments to on-path attacks.

Technical summary

BigFix Platform uses a vulnerable Mozilla CA certificate bundle, allowing an on-path attacker to impersonate remote servers and tamper with files downloaded by the application. The issue is resolved by using bundle version 2026/10/20 or later. The fixed bundle is available starting from BES Support v1520. Defenders should prioritize verifying and updating the Mozilla CA certificate bundle used by BigFix Platform to version 2026/10/20 or later. The CVE record and NVD entry provide limited information about the vulnerability.

Defensive priority

Defenders should prioritize verifying and updating the Mozilla CA certificate bundle used by BigFix Platform to version 2026/10/20 or later.

Recommended defensive actions

• Verify the Mozilla CA certificate bundle version used by BigFix Platform and update to version 2026/10/20 or later if necessary.
• Review and update BigFix Platform configurations to ensure the fixed bundle is used.
• Assess exposure of BigFix Platform deployments to on-path attacks.
• Verify and update the Mozilla CA certificate bundle to prevent certificate impersonation.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, but indicate that BigFix Platform uses a vulnerable Mozilla CA certificate bundle. The issue allows an on-path attacker to impersonate remote servers and tamper with files downloaded by the application. Defenders should verify and update the Mozilla CA certificate bundle used by BigFix Platform to version 2026/10/20 or later. The fixed bundle is available starting from BES Support v1520.

Sources and 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.