Vulnerability · Published Mar 13, 2026 · Assigned by ABB
CVE-2025-13777Authentication Bypass due to Improper Session Validation
High 8.3
In plain English
A high-severity security flaw in AWIN GW100 rev.2 from ABB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.2%top 86.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Authentication bypass by capture-replay vulnerability in ABB AWIN GW100 rev.2, ABB AWIN GW120.This issue affects AWIN GW100 rev.2: 2.0-0, 2.0-1; AWIN GW120: 1.2-0, 1.2-1.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ABB | AWIN GW100 rev.2 | 2.0-02.0-1 |
| ABB | AWIN GW120 | 1.2-01.2-1 |
Weakness: CWE-294 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H