CVE-2022-31877 — An issue in the component MSI

An issue in the component MSI.TerminalServer.exe of MSI Center v1.0.41.0 allows attackers to escalate privileges via a crafted TCP packet.

01What is this vulnerability?

An issue in the component MSI.TerminalServer.exe of MSI Center v1.0.41.0 allows attackers to escalate privileges via a crafted TCP packet.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-11-28T15:15:10.333
• Last modified: 2026-07-09T01:17:30.833

09References

• patsch.dev — https://patsch.dev/2022/07/08/cve-2022-31877-privilege-escalation-in-msi-centers…
• patsch.dev — https://patsch.dev/2022/07/08/cve-2022-31877-privilege-escalation-in-msi-centers…