Is CVE-2025-20196 in the CISA KEV catalog?

No. CVE-2025-20196 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-20196?

CVE-2025-20196 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-20196?

CVE-2025-20196 has an EPSS score of 0.36% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-20196?

Upgrade 807 industrial integrated services router firmware to 15.9(3)m11 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2025-20196

MEDIUM

5.3

CVSS v3

NVD

Description

A vulnerability in the Cisco IOx application hosting environment of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the Cisco IOx application hosting environment to stop responding, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to cause the Cisco IOx application hosting environment to stop responding. The IOx process will need to be manually restarted to recover services.

CWE-307

How to fix

Remediation Available

807 industrial integrated services router firmwareNVD

Affected:< 15.9(3)m11Fixed in:15.9(3)m11CVE-2025-20196derived from NVD

809 industrial integrated services router firmwareNVD

Affected:< 15.9(3)m11Fixed in:15.9(3)m11CVE-2025-20196derived from NVD

829 industrial integrated services router firmwareNVD

Affected:< 15.9(3)m11Fixed in:15.9(3)m11CVE-2025-20196derived from NVD

cgr1000 firmwareNVD

Affected:< 15.9(3)m12Fixed in:15.9(3)m12CVE-2025-20196derived from NVD

ic3000 industrial compute gateway firmwareNVD

Affected:< 1.5.2Fixed in:1.5.2CVE-2025-20196derived from NVD

ios xeNVD

Affected:< 17.15.2Fixed in:17.15.2CVE-2025-20196derived 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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Vendor Advisory1

sec.cloudapps.cisco.com

Related Vulnerabilities

Other CWE-307 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17240	Critical	9.8	40%	-	-
CVE-2023-29301	High	7.5	29%	-	-
CVE-2023-22960	High	7.5	28%	-	Fix
CVE-2020-15906	Critical	9.8	27%	-	Fix
CVE-2016-9361	Critical	9.8	20%	-	-
CVE-2024-39225	Critical	9.8	15%	-	-

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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 2025-07-11.