Medium severity · published Apr 21, 2026
CVE-2025-31981
HCL BigFix Service Management (SM) Discovery is vulnerable to unenforced encryption
5.3
CVSS
0.1%
EPSS
No
On KEV
Description
HCL BigFix Service Management (SM) Discovery is vulnerable to unenforced encryption due to port 80 (HTTP) being open, allowing unencrypted access.  An attacker with access to the network traffic can sniff packets from the connection and uncover the data.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
Affected product
BS
BigFix Service Management (SM)
HCLSoftware
More from BigFix Service Management (SM)
8.2
CVE-2025-31958
HCL BigFix Service Management (SM) is susceptible to HTTP Request Smuggling