Risk Letters

Exploited vulnerability

CVE-2023-20198

TLP:CLEAR

Cisco IOS XE Web UI Privilege Escalation Vulnerability

Cisco IOS XE Web UI contains a privilege escalation vulnerability in the web user interface that could allow a remote, unauthenticated attacker to create an account with privilege level 15 access. The attacker can then use that account to gain control of the affected device.

Facts

  • Vendor: Cisco
  • Product: IOS XE Web UI
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 99.6 %
  • On CISA's Known Exploited Vulnerabilities list since: 16 October 2023
  • First known exploitation: 16 October 2023
  • CISA's deadline for US federal agencies: 20 October 2023
  • Weakness: CWE-420
  • First seen by Risk Letters: 16 October 2023

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Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD