CVE-2025-20337

Cisco

CVSS 10.0 CriticalKEV
  • CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
  • Published: 2025-07-16T17:15:30.573
  • Vendors: Cisco

A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability.

This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device.

Related CVE by CWE

No related CWE found.

Top CVE for Vendor

  1. CVE-2025-20337 (CVSS 10)
  2. CVE-2025-20333 (CVSS 9.9)
  3. CVE-2025-20352 (CVSS 7.7)
  4. CVE-2025-20362 (CVSS 6.5)

Recently Exploited Similar Vulnerabilities

No recent KEV-listed items for this vendor/product.

How to fix CVE-2025-20337

CVE-2025-20337 is a critical severity vulnerability affecting Cisco the affected product.

Description: A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit […]

Exploit Difficulty: EASY
⏱️ Time to exploit: < 1 hour
🛠️ Required skills: Basic web security knowledge
💰 Public exploits: Likely available

How to Fix:

1 Identify affected systems

- Check if you're running the affected product

2 Immediate actions

- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access

3 Verification

- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)

4 Long-term prevention

- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations

Exploit Difficulty Assessment

EASY
⏱️ Time to Exploit: < 1 hour
🛠️ Skills Required: Basic web security knowledge
💰 Public Exploits: Likely available
🚨 KEV Status: This vulnerability is actively exploited in the wild!

Vulnerability Timeline

Jul 16, 2025
Vulnerability Published

CVE details first published to NVD database

KEV
Added to Known Exploited Vulnerabilities

CISA confirmed active exploitation in the wild

Oct 28, 2025
Imported to Database

Added to this CVE tracking system

Detection Rules & IOCs

No specific detection rules generated for this vulnerability type.

Cisco