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Vulnerabilities

Vulnerability · CVE-2025-20355

A vulnerability in the web-based management interface of Cisco Catalyst Center Virtual Appliance could allow an unauthenticated, remote attacker to redirect a user to a malicious w

Published Nov 13, 2025 · catalog updated Nov 13, 2025 · Cisco Cisco Digital Network Architecture Center (DNA Center)

Last checked Oct 25, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-20355. EPSS is 0.26%. Act only if a listed version of Cisco Cisco Digital Network Architecture Center (DNA Center) is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.26%
Remediation
Advisory link
Affected products
vendor Cisco Cisco Digital Network Architecture Center (DNA Center) 2.3.5.0

A vulnerability in the web-based management interface of Cisco Catalyst Center Virtual Appliance could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of HTTP request parameters. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit could allow the attacker to redirect the user to a malicious web page.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Cisco Cisco Digital Network Architecture Center (DNA Center) 2.3.5.02.3.5.0

How to fix CVE-2025-20355

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    Seen in 2.3.5.0

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-20355. EPSS is 0.26%. Act only if a listed version of Cisco Cisco Digital Network Architecture Center (DNA Center) is installed.

Which versions are affected?

Compare what you have installed with Cisco Cisco Digital Network Architecture Center (DNA Center) 2.3.5.0 2.3.5.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Cisco security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 13, 2025 · EUVD

    Detected

    A vulnerability in the web-based management interface of Cisco Catalyst Center Virtual Appliance could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of HTTP request parameters. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit cou

  2. Nov 13, 2025 · EUVD

    Updated

    A vulnerability in the web-based management interface of Cisco Catalyst Center Virtual Appliance could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of HTTP request parameters. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit cou

Sources

  • CVE.orgVulnerability recordCVE-2025-20355

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-175329

    A vulnerability in the web-based management interface of Cisco Catalyst Center Virtual Appliance could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of HTTP request parameters. An attac

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 25, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 25, 2026
  • EUVDOct 25, 2026