Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-20241— Cisco Identity Services Engine Authorization Bypass Vulnerability

Quick assessment

Affected
Cisco Cisco Identity Services Engine Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

思科身份服务引擎（Cisco ISE）和思科 ISE 被动身份连接器（ISE-PIC）的授权机制中存在一个漏洞，该漏洞可能允许未经身份验证的远程攻击者获取终端身份证书。 此漏洞源于授权检查不当。攻击者可通过向受影响的设备发送特制请求来利用该漏洞。成功利用后，攻击者能够绕过授权控制，从而获取终端证书。

CVSS 5.3 · Medium EPSS 0.25% · P16

Affected Version Matrix 51

VendorProduct Version RangeStatus
Cisco Cisco Identity Services Engine Software 3.1.0 affected
3.1.0 p1 affected
3.1.0 p3 affected
3.1.0 p2 affected
3.2.0 affected
3.1.0 p4 affected
3.1.0 p5 affected
3.2.0 p1 affected
… +38 more rows
Cisco Cisco ISE Passive Identity Connector 3.2.0 affected
3.1.0 affected
3.3.0 affected
3.4.0 affected
3.5.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-20241

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cisco Identity Services Engine Authorization Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the authorization mechanism of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an unauthenticated, remote attacker to obtain an endpoint identity certificate. This vulnerability is due to improper authorization checks. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to bypass authorization to obtain an endpoint certificate.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Identity Services Engine Software 3.1.0 -
Cisco Cisco ISE Passive Identity Connector 3.2.0 -

II. Public POCs for CVE-2026-20241

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-20241

请登录查看更多情报信息。

Other References for CVE-2026-20241 (1)

Same Patch Batch · Cisco · 2026-11-04 · 3 CVEs total

CVE-2026-76506 7.6 HIGH Cisco Unified Computing System Central Remote Code Execution Vulnerability
CVE-2026-76419 6.1 MEDIUM Cisco Unified Communications Manager Cross-Site Scripting Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Identity Services Engine Software
Same vendor: Cisco
Same weakness: CWE-285