KEV Entry

CVE-2008-4128

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2008-4128

2026-07-13 00:00 UTC

Timestamps

2026-07-13

2026-07-13

Scope

Cisco IOS Cross-Site Request Forgery Vulnerability | Affected: Cisco / IOS | Description: 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. | Required action: 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. | Due date: 2026-07-16 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2008-4128

References
  • {'id': 'CVE-2008-4128', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2008-4128'}

cf568995-99d2-4702-8ea7-b7bc9b680c2a

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-07-13 18:00 UTC

2026-07-13 18:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-352"
  ],
  "date_added": "2026-07-13",
  "due_date": "2026-07-16",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "IOS",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco IOS Cross-Site Request Forgery Vulnerability"
}
 -
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