CVE-2008-4128

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. Source description excerpt; complete tracked detail loads below.

NVD published: Sep 19, 2008 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Cisco — IOS. Product-level identification only; no affected-version conclusion is available from this field.

NVD published: Sep 19, 2008 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Act · 454.5

Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

kev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog

Active since: Jul 13, 2026 · CISA KEV added: Jul 13, 2026 · VulnCheck KEV added: Jul 13, 2026 · ENISA added: Jul 13, 2026 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026