CVE-2025-12553
Server Certificate Verification Disabled
Email Server Certificate Verification Disabled.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Server Certificate Verification Disabled
Email Server Certificate Verification Disabled.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
- Record
CVE-2025-12553- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - Weakness
- CWE-599
- Updated
- 2026-11-02
EUVDEUVD-2025-37367
Email Server Certificate Verification Disabled.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
- Record
EUVD-2025-37367- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-785c-r7jc-9qxg
Email Server Certificate Verification Disabled.This issue affects BLU-IC2: through 1.19.5; BLU...
Email Server Certificate Verification Disabled.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
- Record
GHSA-785c-r7jc-9qxg- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-599
- Updated
- 2026-11-02
NVD
Email Server Certificate Verification Disabled.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
- Record
CVE-2025-12553- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-599
- 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-2025-12553 is a critical vulnerability (CVSS 10.0) in Azure Access Technology Blu-ic2, published October 31, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.