CVE-2026-20286

mediumpriority · track · 17EPSS 0.005 · 41 %ileUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.47% (41st) EPSS
CVSS 4.3 · medium
Is it mine?
48 products
Check your exposure
Who says so?
1 sources
cisco_csaf

EPSS · scored 2026-10-27

A vulnerability in the web-based management interface of Cisco Identify Services Engine (ISE) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. This vulnerability is due to the lack of server-side validation of Administrator permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid Administrator credentials.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

4.3
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nprimary · psirt@cisco.com USexploitability 2.8 · impact 1.4
v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · Cisco PSIRT US
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-285US
05

affected products (48)

Products and version ranges known to be affected.

showing 20 of 48
06

advisories (1)

Vendor and ecosystem advisories describing this.

  • cisco-sa-ise-auth-bypass-1-MxcTNgwxCisco Identity Services Engine Authorization Bypass Vulnerabilities2026-09-16csaf · cisco_csafUS

    Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. These vulnerabilities are due to the lack of server-side validation of Administrator permissions. An attacker could exploit these vulnerabilities by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on specific pages. To exploit these vulnerabilities, an attacker would need valid Administrator credentials. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-jfxK98ZP"]. In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026 ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T"].

07

sources

Which sources assert this record, and when.

cisco_csafNVDCVE.orgMITRE
published 2026-09-16modified 2026-09-18
08

references (1) nvd

External citations — patches, advisories, analysis.

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