CVE-2020-23621: The Java Remote Management Interface of all versions of SVI MS Management System was discovered to contain a v

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CRITICAL 9.8REMOTEMITIGATE

CVE-2020-23621 is a critical-severity flaw (CVSS 9.8) affecting svi ms management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Java Remote Management Interface of all versions of SVI MS Management System was discovered to contain a vulnerability due to insecure deserialization of user-supplied content, which can allow attackers to execute arbitrary code via a crafted serialized Java object.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Weakness	CWE-502
Published	2022-05-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: squire-technologies

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-05-02 23:15 UTCPublished CVE record published
2026-06-17 03:04 UTCUpdated Record last modified

squire-technologies svi ms management system MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy svi-ms-management-system || rpm -q svi-ms-management-system || svi-ms-management-system --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-23621?

svi ms management system: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-23621 being exploited?

CVE-2020-23621 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-23621 affect?

CVE-2020-23621 affects svi ms management system. Severity is critical (CVSS 9.8). The Java Remote Management Interface of all versions of SVI MS Management System was discovered to contain a vulnerability due to insecure deserialization of user-supplied content, which can allow attackers to execute arbitrary code via a c

How urgent is CVE-2020-23621?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

References

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