Skip to main content
Live Webinar with SANS (June 25)— Agentic CTI Automation for Fun & ProfitRegister Free
Mallory
Back to intelligence
identity-authentication-vulnerabilitywidely-deployed-product-advisoryinternet-facing-service-vulnerability

Critical Unauthenticated RCE Flaws Patched in Cisco ISE and ISE-PIC

Updated 2mo agoFirst seen Apr 14, 20262 sources

Cisco disclosed two critical vulnerabilities in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) that allow unauthenticated remote attackers to execute arbitrary code on the underlying operating system with root privileges. The flaws, tracked as CVE-2025-20281 and CVE-2025-20282, are independent issues, meaning exploitation of one is not required to exploit the other.

CVE-2025-20281 affects Cisco ISE and ISE-PIC version 3.3 and later, while CVE-2025-20282 affects version 3.4 only; Cisco said version 3.2 and earlier are not affected. Cisco also warned that CVE-2025-20282 can enable arbitrary file upload and execution on vulnerable devices. Patches have been released, and organizations running affected deployments have been urged to update immediately.

Share:
Critical Unauthenticated RCE Flaws Patched in Cisco ISE and ISE-PIC
Stay ahead

Get ahead of threats like this

Mallory correlates global threat intelligence with your attack surface — know if you’re exposed before adversaries strike.

EVENT TIMELINE

How this story unfolded

2 events from the most recent confirmed update back to the earliest known activity.

2 EVENTS
Jun 26, 20251y ago

Cisco releases patches for affected ISE and ISE-PIC versions

Cisco released fixes for the vulnerabilities and advised organizations to update immediately. CVE-2025-20281 affects ISE and ISE-PIC versions 3.3 and later, while CVE-2025-20282 affects version 3.4; version 3.2 and earlier are not affected.

Cisco discloses critical RCE flaws in ISE and ISE-PIC

Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) were found to contain two critical vulnerabilities, CVE-2025-20281 and CVE-2025-20282. The flaws allow unauthenticated remote code execution as root, with CVE-2025-20282 also enabling arbitrary file upload and execution on affected devices.

LINKED ENTITIES

Related entities

Vulnerabilities, threat actors, malware, products, organizations, and breaches Mallory has linked to this story.

4 LINKEDOpen in app
The operational view lives in Mallory

See the full picture, correlated to your attack surface.

This page covers what’s public. Mallory adds the parts that aren’t — which of your assets are affected, which threat actors are using it right now, which detections to deploy, and what to do next.
Exposure mapping

Map indicators from this story to your assets and identify affected systems in minutes.

Threat actor evidence

Every observed campaign, victim, and pivot linked to actors named in this story.

Associated malware

Malware, exploits, and IOCs connected to the activity described here.

Detection signatures

YARA, Sigma, and Snort rules deployed to your SIEM as soon as they’re published.

Scheduled alerts

Get matching new stories delivered to your team as they break — not the next morning.

AI threads

Ask questions about this story and take action on the answers.