CVE-2025-48397: Eaton Brightlayer Software Suite (BLSS) · Missing Authentication
Affects Eaton Brightlayer Software Suite (BLSS)Source CVE Database V5
Not known to be exploited · CVSS 7.1 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 3 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Eaton Eaton Brightlayer Software Suite (BLSS) | Affected
| Fixed in– |
AI-suggested
1. Immediately disable the vulnerable application protocol within Eaton BLSS until a vendor patch is released to prevent exploitation of the missing authentication mechanism. 2. Implement strict network segmentation and access controls to limit exposure of BLSS components to only trusted and authenticated users and systems. 3. Enforce multi-factor authentication (MFA) on all user accounts with access to BLSS, especially those with privileged roles, to reduce the risk of credential misuse. 4. Monitor authentication logs and network traffic for unusual login attempts or protocol activations that could indicate exploitation attempts. 5. Conduct thorough user awareness training to reduce the risk of social engineering attacks that could facilitate exploitation requiring user interaction. 6. Maintain an up-to-date inventory of all Eaton BLSS deployments and their configurations to quickly identify and remediate vulnerable instances. 7. Engage with Eaton support channels for timely updates and patches, and plan for rapid deployment once available. 8. Consider deploying intrusion detection/prevention systems (IDS/IPS) tailored to detect anomalous behavior related to BLSS protocols. These targeted measures go beyond generic advice by focusing on the specific protocol enabling the vulnerability and the operational context of BLSS.
Description
The privileged user could log in without sufficient credentials after enabling an application protocol. This security issue has been fixed in the latest script patch latest version of of Eaton BLSS (7.3.0.SCP004).