CVE-2025-52621
HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.3
HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning
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.
- Record
CVE-2025-52621- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-346
- Updated
- 2026-11-02
EUVDEUVD-2025-25055
5.3
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.
- Record
EUVD-2025-25055- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r9j3-884r-cxhp
5.3
HCL BigFix SaaS Authentication Service is vulnerable to cache poisoning. The BigFix SaaS's HTTP...
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.
- Record
GHSA-r9j3-884r-cxhp- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-346
- Updated
- 2026-11-02
NVD
5.3
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.
- Record
CVE-2025-52621- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-346
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-52621 is a medium vulnerability (CVSS 5.3) in Hcltech Bigfix Saas, published August 15, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.