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CVE-2025-20216

MEDIUMCVSS 4.3/10EPSS 0.28%

Last modified

CVE-2025-20216 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A vulnerability in the web interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to inject HTML into the browser of an authenticated user. This vulnerability is due to improper sanitization of input to the web interface. An attacker could exploit this vulnerability by convincing an authenticated user to click a malicious link. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

A vulnerability in the web interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to inject HTML into the browser of an authenticated user. This vulnerability is due to improper sanitization of input to the web interface. An attacker could exploit this vulnerability by convincing an authenticated user to click a malicious link. A successful exploit could allow the attacker to inject HTML into the browser of an authenticated Cisco Catalyst SD-WAN Manager user.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
0.28%

19.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoCatalyst Sd-Wan Manager17.2.4
CiscoCatalyst Sd-Wan Manager17.2.5
CiscoCatalyst Sd-Wan Manager17.2.6
CiscoCatalyst Sd-Wan Manager17.2.7
CiscoCatalyst Sd-Wan Manager17.2.8
CiscoCatalyst Sd-Wan Manager17.2.9
CiscoCatalyst Sd-Wan Manager17.2.10
CiscoCatalyst Sd-Wan Manager18.2.0
CiscoCatalyst Sd-Wan Manager18.3.0
CiscoCatalyst Sd-Wan Manager18.3.1
CiscoCatalyst Sd-Wan Manager18.3.1.1
CiscoCatalyst Sd-Wan Manager18.3.3
CiscoCatalyst Sd-Wan Manager18.3.3.1
CiscoCatalyst Sd-Wan Manager18.3.4
CiscoCatalyst Sd-Wan Manager18.3.5
CiscoCatalyst Sd-Wan Manager18.3.6
CiscoCatalyst Sd-Wan Manager18.3.6.1
CiscoCatalyst Sd-Wan Manager18.3.7
CiscoCatalyst Sd-Wan Manager18.3.8
CiscoCatalyst Sd-Wan Manager18.4.0
CiscoCatalyst Sd-Wan Manager18.4.0.1
CiscoCatalyst Sd-Wan Manager18.4.1
CiscoCatalyst Sd-Wan Manager18.4.3
CiscoCatalyst Sd-Wan Manager18.4.4
CiscoCatalyst Sd-Wan Manager18.4.5
CiscoCatalyst Sd-Wan Manager18.4.6
CiscoCatalyst Sd-Wan Manager18.4.302
CiscoCatalyst Sd-Wan Manager18.4.303
CiscoCatalyst Sd-Wan Manager18.4.501_es
CiscoCatalyst Sd-Wan Manager19.0.0
CiscoCatalyst Sd-Wan Manager19.0.1a
CiscoCatalyst Sd-Wan Manager19.1.0
CiscoCatalyst Sd-Wan Manager19.2.0
CiscoCatalyst Sd-Wan Manager19.2.1
CiscoCatalyst Sd-Wan Manager19.2.2
CiscoCatalyst Sd-Wan Manager19.2.3
CiscoCatalyst Sd-Wan Manager19.2.4
CiscoCatalyst Sd-Wan Manager19.2.4.0.1
CiscoCatalyst Sd-Wan Manager19.2.4.0.8
CiscoCatalyst Sd-Wan Manager19.2.4.0.9
CiscoCatalyst Sd-Wan Manager19.2.31
CiscoCatalyst Sd-Wan Manager19.2.32
CiscoCatalyst Sd-Wan Manager19.2.097
CiscoCatalyst Sd-Wan Manager19.2.098
CiscoCatalyst Sd-Wan Manager19.2.099
CiscoCatalyst Sd-Wan Manager19.2.929
CiscoCatalyst Sd-Wan Manager19.3.0
CiscoCatalyst Sd-Wan Manager20.1.1
CiscoCatalyst Sd-Wan Manager20.1.1.1
CiscoCatalyst Sd-Wan Manager20.1.2

Showing 50 of 282 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-20216?
A vulnerability in the web interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to inject HTML into the browser of an authenticated user. This vulnerability is due to improper sanitization of input to the web interface. An attacker could exploit this vulnerability by convincing an authenticated user to click a malicious link. A successful exploit could allow the attacker to inject HTML into the browser of an authenticated Cisco Catalyst SD-WAN Manager user.
How severe is CVE-2025-20216?
CVE-2025-20216 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2025-20216?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-20216?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST