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CRITICAL: THIS VULNERABILITY IS ACTIVELY BEING EXPLOITED IN THE WILD (CISA KEV CATALOG)
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CVE-2023-20198

Exploited

Cisco IOS XE - Web UI

Cisco CVSS 10 Updated March 18, 2026

Executive Risk Summary

"A critical vulnerability in Cisco IOS XE Software's web UI feature has been exploited, allowing attackers to gain initial access and elevate privileges to root. This vulnerability has been assigned a CVSS Score of 10.0 and is being actively exploited, making it essential to apply the latest fixed releases to prevent potential attacks."

Operational Audit Arsenal

Target Type Firmware Image
Target Asset Cisco IOS XE
Standard Path Global Firmware

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

Network disruption possible during upgrade

Internal Work Notes

Apply latest fixed release for Cisco IOS XE Software to mitigate CVE-2023-20198 and CVE-2023-20273, which are being actively exploited to gain unauthorized access and elevate privileges.

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Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.