CVE-2026-85115
A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All…
- Risk score
- 49/100
- CVSS
- 5.5 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.62). Affected applications do not properly redact PLC restore passwords from HTTP error exception messages. This could allow an attacker with access to logs or other diagnostic output to obtain the plaintext re…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 5.5 medium
- On your watchlist: .net
- Named in a government or vendor bulletin
Government and vendor bulletins
References
Original description
A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.62). Affected applications do not properly redact PLC restore passwords from HTTP error exception messages. This could allow an attacker with access to logs or other diagnostic output to obtain the plaintext restore password and potentially perform unauthorized operations on the PLC.
Last activity 22 Oct 2026. Patch Forecast updates every hour.