Risk Letters

Exploited vulnerability

CVE-2008-4128

TLP:CLEAR

Cisco IOS Cross-Site Request Forgery Vulnerability

Cisco IOS 12.4 contains multiple cross-site forgery vulnerabilities that allows remote attackers to execute arbitrary commands via (1) a certain "show privilege" command to the /level/15/exec/- URI, and (2) a certain "alias exec" command to the /level/15/exec/-/configure/http URI.

Facts

  • Vendor: Cisco
  • Product: IOS
  • CVSS: 8.1
  • EPSS (probability of exploitation within 30 days): 33.9 %
  • On CISA's Known Exploited Vulnerabilities list since: 13 July 2026
  • First known exploitation: 13 July 2026
  • CISA's deadline for US federal agencies: 16 July 2026
  • Weakness: CWE-352
  • First seen by Risk Letters: 13 July 2026

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