Vulnerabilities

Vulnerability · CVE-2025-52621

HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning.

Published Aug 15, 2025 · catalog updated Aug 18, 2025 · HCL Software BigFix SaaS Remediate

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-52621. EPSS is 0.15%. Act only if a listed version of HCL Software BigFix SaaS Remediate is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Version ranges on file
Affected products
vendor HCL Software BigFix SaaS Remediate < 8.1.14

HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning. The BigFix SaaS's HTTP responses were observed to include the Origin header. Its presence alongside an unvalidated reflection of the Origin header value introduces a potential for cache poisoning.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor HCL Software BigFix SaaS Remediate < 8.1.14< 8.1.14

How to fix CVE-2025-52621

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-52621. EPSS is 0.15%. Act only if a listed version of HCL Software BigFix SaaS Remediate is installed.

Which versions are affected?

Compare what you have installed with HCL Software BigFix SaaS Remediate < 8.1.14 < 8.1.14. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 15, 2025 · EUVD

    Detected

    HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning. The BigFix SaaS's HTTP responses were observed to include the Origin header. Its presence alongside an unvalidated reflection of the Origin header value introduces a potential for cache poisoning.

  2. Aug 18, 2025 · EUVD

    Updated

    HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning. The BigFix SaaS's HTTP responses were observed to include the Origin header. Its presence alongside an unvalidated reflection of the Origin header value introduces a potential for cache poisoning.

Sources

  • CVE.orgVulnerability recordCVE-2025-52621

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-52621

    30-day exploitation probability 0.15%

    first.org
  • EUVDVulnerability recordEUVD-2025-25055

    HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning. The BigFix SaaS's HTTP responses were observed to include the Origin header. Its presence alongside an unvalidated reflection of the Origin header value introduces a potential for cache poisoning.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026