Is CVE-2023-39481 in the CISA KEV catalog?

No. CVE-2023-39481 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-39481?

CVE-2023-39481 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-39481?

CVE-2023-39481 has an EPSS score of 1.25% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-39481?

Upgrade secure integration server to 1.30 or later.

CVE & CISA-KEV Catalog

CVE-2023-39481

HIGH

8.8

CVSS v3

NVD

Description

Softing Secure Integration Server Interpretation Conflict Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Softing Secure Integration Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the web server. The issue results from an inconsistency in URI parsing between NGINX and application code. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20551.

CWE-436

How to fix

Remediation Available

secure integration serverNVD

Affected:< 1.30Fixed in:1.30CVE-2023-39481derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.25%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Third-Party Advisory1

zerodayinitiative.com

Related Vulnerabilities

Other CWE-436 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-25292	Critical	9.8	64%	-	Fix
CVE-2022-37436	Medium	5.3	58%	-	Fix
CVE-2021-28474	High	8.8	51%	-	Fix
CVE-2025-25291	Critical	9.8	20%	-	Fix
CVE-2026-63030	Critical	9.8	8.9%	KEV	Fix
CVE-2019-17596	High	7.5	4.7%	-	Fix

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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 2025-08-12.