CVE•Published 2026-08-05•Modified 2026-08-12•1 article on news•5 live references•NVD data
CVE-2026-20267Cisco · Ios_xe
Vulnerability data via NVD (ingested)
CVSS v3.1
9.0
CRITICAL
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
14
Exploit Prediction Scoring System · top 86% of all CVEs
Weaknesses (CWE)
Description
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20267 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.
Timeline
Published 2026-08-05
Modified 2026-08-12
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag3,739 hosts
vuln:CVE-2026-20267Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Ios Xe"Hosts Shodan identified as running Ios Xe.
More intel sources (5)
Shodan report
vuln:CVE-2026-20267Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-20267Censys host search filtered to this CVE id.
grep.app
CVE-2026-20267Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-20267GitHub code search for direct mentions.
Google dork
"CVE-2026-20267" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.