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Vulnerabilities

Vulnerability · CVE-2017-12542

HPE Integrated Lights-out 4 Code Execution

Published Apr 12, 2021 · catalog updated Apr 12, 2021 · HP

Patch now

CVE-2017-12542 is in the CISA known-exploited catalog. Confirm HP against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
99.29%
Remediation
Remediation guidance
Affected products
vendor HP integrated_lights-out_4_firmware

A authentication bypass and execution of code vulnerability in HPE Integrated Lights-out 4 (iLO 4) version prior to 2.53 was found. Initial-access exploit intelligence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor HP integrated_lights-out_4_firmwareversion unspecified

How to fix CVE-2017-12542

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2017-12542 is in the CISA known-exploited catalog. Confirm HP against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 99.29%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 12, 2021 · VulnCheck KEV

    Detected

    A authentication bypass and execution of code vulnerability in HPE Integrated Lights-out 4 (iLO 4) version prior to 2.53 was found. Initial-access exploit intelligence.

  2. Apr 12, 2021 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2017-12542

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2017-12542

    30-day exploitation probability 99.3%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2017-12542

    A authentication bypass and execution of code vulnerability in HPE Integrated Lights-out 4 (iLO 4) version prior to 2.53 was found.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.