Cisco Identity Services Engine Remote Code Execution and Path Traversal Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to achieve remote code execution or conduct path traversal attacks on an affected device. To exploit these vulnerabilities, the attacker must have valid administrative credentials. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-rce-traversal-8bYndVrZ Security Impact Rating: Critical CVE: CVE-2026-20147,CVE-2026-20148
CSIRTS triage
- What
- Multiple vulnerabilities could allow an authenticated attacker to achieve remote code execution or conduct path traversal attacks.
- Who is affected
- Authenticated users of Cisco Identity Services Engine and Cisco ISE Passive Identity Connector.
- Urgency
- Critical remediation is required due to the severity of the vulnerabilities and the need for valid credentials to exploit them.
- Action
- Apply the software updates released by Cisco to address these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Elevated exploitation riskCVE-2026-2014711.7% 30-day exploitation probability — well above the norm. Schedule remediation this cycle. Riskier than 96% of all scored CVEs.
- Moderate exploitation riskCVE-2026-201486.9% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 93% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-20147 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20148 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Cisco Identity Services
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalCisco Identity Services Engine Remote Code Execution and Information Disclosure Vulnerabilitiescisco-psirt · 2026-07-06
- unknownNCSC-2026-0208 [1.00] [M/H] Vulnerabilities fixed in Cisco Identity Services Enginencsc-nl · 2026-06-19
- mediumCisco Identity Services Engine Authentication Bypass Vulnerabilitiescisco-psirt · 2026-05-06
- mediumCisco Identity Services Engine Stored Cross-Site Scripting Vulnerabilitiescisco-psirt · 2026-05-05
- criticalCisco Identity Services Engine Remote Code Execution Vulnerabilitiescisco-psirt · 2026-04-15
- mediumCisco Identity Services Engine Authenticated Privilege Escalation Vulnerabilitycisco-psirt · 2026-04-15
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