Is CVE-2025-20315 in the CISA KEV catalog?

No. CVE-2025-20315 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-20315?

CVE-2025-20315 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2025-20315?

CVE-2025-20315 has an EPSS score of 0.41% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-20315?

No published fix for CVE-2025-20315 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-20315

HIGH

8.6

CVSS v3

NVD

Description

A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, causing a denial of service (DoS) condition. This vulnerability is due to improper handling of malformed Control and Provisioning of Wireless Access Points (CAPWAP) packets. An attacker could exploit this vulnerability by sending malformed CAPWAP packets through an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.

CWE-805

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.41%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Other references1

sec.cloudapps.cisco.com

Related Vulnerabilities

Other CWE-805 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-14509	Critical	9.8	2.0%	-	Fix
CVE-2025-23319	High	8.1	1.6%	-	Fix
CVE-2024-24851	High	7.5	1.4%	-	-
CVE-2021-31885	High	7.5	1.2%	-	Fix
CVE-2023-20049	High	8.6	1.0%	-	Fix
CVE-2020-16101	High	7.5	1.0%	-	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 2025-09-26.