Is CVE-2018-7891 in the CISA KEV catalog?

No. CVE-2018-7891 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-7891?

CVE-2018-7891 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2018-7891?

CVE-2018-7891 has an EPSS score of 4.18% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-7891?

Upgrade siveillance vms to 12.1a or later.

CVE & CISA-KEV Catalog

CVE-2018-7891

HIGHEPSS 90th pctl

8.1

CVSS v3

NVD

Description

The Milestone XProtect Video Management Software (Corporate, Expert, Professional+, Express+, Essential+) 2016 R1 (10.0.a) to 2018 R1 (12.1a) contains .NET Remoting endpoints that are vulnerable to deserialization attacks resulting in remote code execution.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

siveillance vmsNVD

Affected:< 12.1aFixed in:12.1aCVE-2018-7891derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

4.18%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Vendor Advisory1

supportcommunity.milestonesys.com

Mitigation1

cert-portal.siemens.com

Third-Party Advisory1

securityfocus.com

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-47986	Critical	9.8	100%	KEV + Ransom	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.