CVE-2026-111459
An improper certificate validation vulnerability exists in Moxa Remote Connect Suite (MRC Client)
- Risk score
- 51/100
- CVSS
- 7.6 v4.0
- Published
- 27 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- An improper certificate validation vulnerability exists in Moxa Remote Connect Suite (MRC Client). Under certain conditions, an unauthenticated attacker with on-path access to the communication between the MRC Client and its server could impersonate a trusted server and conduct a man-in-the-middle attack, potentially …
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.6 high
- Remotely exploitable without logging in
References
Original description
An improper certificate validation vulnerability exists in Moxa Remote Connect Suite (MRC Client). Under certain conditions, an unauthenticated attacker with on-path access to the communication between the MRC Client and its server could impersonate a trusted server and conduct a man-in-the-middle attack, potentially compromising the confidentiality and integrity of communications.
Last activity 27 Oct 2026. Patch Forecast updates every hour.