How severe is CVE-2022-31877?

CVE-2022-31877 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-31877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31877?

CVE-2022-31877 affects Msi Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31877?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-31877 published?

CVE-2022-31877 was published on 2022-11-28 and last updated on 2026-07-09.

CVE-2022-31877

CVE-2022-31877 is a high-severity vulnerability in Msi Center with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-345.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Msi Center
Published: 2022-11-28
Last modified: 2026-07-09

Description

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.

Frequently asked questions

What is CVE-2022-31877?: 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.
How severe is CVE-2022-31877?: CVE-2022-31877 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-31877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31877?: CVE-2022-31877 affects Msi Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-31877 published?: CVE-2022-31877 was published on 2022-11-28 and last updated on 2026-07-09.

References

https://patsch.dev/2022/07/08/cve-2022-31877-privilege-escalation-in-msi-centers-msi-terminalserver-exe/

Affected products (1)

cpe:2.3:a:msi:center:1.0.41.0:*:*:*:*:*:*:*

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