CVE-2025-31962: hclsoftware bigfix ivr Insufficient Session Expiration
CVSS: 4.3v3.1MediumAnalyzed
Published 07-01-2026Last modified 07-01-2026
Vulnerability summary
CVE-2025-31962 is a medium (CVSS 4.3) Insufficient Session Expiration vulnerability in hclsoftware bigfix ivr. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.3% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-01-2026PublishedVulnerability first disclosed.
- 07-01-2026Last modifiedVulnerability information updated.
Description
Insufficient session expiration in the Web UI authentication component in HCL BigFix IVR version 4.2 allows an authenticated attacker to gain prolonged unauthorized access to protected API endpoints due to excessive expiration periods.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NSources2 sources · 2.0–4.3
- CVE.orgCNA2.0LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
0.00 pp
From 0.18% on 19-09-2026
19-09-202619-10-2026
EPSS score0.18%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Hclsoftware1 product
- bigfix ivr4.2
Hcltech1 product
2 vendors · 2 products