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CVE-2026-12504

HIGH
8.4
CVSS 4.0
Description
Improper Authentication (CWE-287) in the PAM configuration in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a local attacker to authenticate as a uid=0 account without a password and obtain a root shell via an `/etc/passwd` entry with an empty password field.

Metadata

CVE ID
CVE-2026-12504
State
PUBLISHED
Assigner
NCSC.ch
Reserved
2026-06-17 09:48 UTC
Published
2026-07-24 13:58 UTC
Last updated
2026-07-24 14:57 UTC
Primary CWE
CWE-287
CWE-287 Improper authentication
Vendor / Product
Loytec / LIP-ME20xC
Sources
cve.org  ·  NVD

Severity & Metrics

8.4 HIGH CVSS 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (8)
VendorProductPlatformVersions
Loytec L-DALI — 0 ≤ 8.4.16
Loytec L-GATE — 0 ≤ 8.4.16
Loytec L-INX — 0 ≤ 8.4.16
Loytec L-IOB — 0 ≤ 8.4.16
Loytec L-PAD — 0 ≤ 8.4.16
Loytec L-ROC — 0 ≤ 8.4.16
Loytec L-VIS — 0 ≤ 8.4.16
Loytec LIP-ME20xC — 0 ≤ 8.4.16
Weakness (CWE)
CWESourceDescription
CWE-287 cna CWE-287 Improper authentication
CWE-521 cna CWE-521 Weak password requirements
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.4 HIGH 4.0 cna CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References (1)
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