7.5

CVE-2025-52621: hcl software bigfix saas remediate Origin Validation Error

CVSS: 7.5v3.1HighAnalyzed
Published 15-08-2025Last modified 18-08-2025

Vulnerability summary

CVE-2025-52621 is a high (CVSS 7.5) Origin Validation Error vulnerability in hcl software bigfix saas remediate. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-08-2025
    PublishedVulnerability first disclosed.
  2. 18-08-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

0.00 pp

From 0.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hcl software1 product
Hcltech1 product

2 vendors · 2 products

References

1 links