How severe is CVE-2024-53458?

CVE-2024-53458 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-53458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-53458?

CVE-2024-53458 affects Sysax Multi Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-53458?

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.

Does CVE-2024-53458 have an EU (EUVD) identifier?

Yes. CVE-2024-53458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6158.

When was CVE-2024-53458 published?

CVE-2024-53458 was published on 2025-03-05 and last updated on 2026-06-17.

CVE-2024-53458

CVE-2024-53458 is a high-severity vulnerability in Sysax Multi Server with a CVSS 3.x base score of 7.5. 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6158
Weakness: CWE-400
Affected product: Sysax Multi Server
Published: 2025-03-05
Last modified: 2026-06-17

Description

Sysax Multi Server 6.99 is vulnerable to a denial of service (DoS) condition when processing specially crafted SSH packets.

Frequently asked questions

What is CVE-2024-53458?: Sysax Multi Server 6.99 is vulnerable to a denial of service (DoS) condition when processing specially crafted SSH packets.
How severe is CVE-2024-53458?: CVE-2024-53458 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-53458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-53458?: CVE-2024-53458 affects Sysax Multi Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-53458?: 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.
Does CVE-2024-53458 have an EU (EUVD) identifier?: Yes. CVE-2024-53458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6158.
When was CVE-2024-53458 published?: CVE-2024-53458 was published on 2025-03-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sysax:multi_server:6.99:*:*:*:*:*:*:*

More vulnerabilities in Sysax Multi Server

CVE-2012-10060 — Critical (CVSS 9.8): Sysax Multi Server versions prior to 5.55 contain a stack-based buffer overflow in its SSH service. When a remote…
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CVE-2009-4790 — Critical (CVSS 9.0): Multiple directory traversal vulnerabilities in Sysax Multi Server 4.5 allow remote authenticated users to read or…
CVE-2020-13229 — High (CVSS 8.8): An issue was discovered in Sysax Multi Server 6.90. A session can be hijacked if one observes the sid value in any…
CVE-2013-10065 — High (CVSS 7.5): A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted…
CVE-2012-6530 — High (CVSS 7.1): Stack-based buffer overflow in Sysax Multi Server before 5.52, when HTTP is enabled, allows remote authenticated users…

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