A potential security vulnerability has been identified with HP Integrated Lights-Out 4 (iLO 4) firmware version 2.11 and later, but prior to version 2.30. The vulnerability could be exploited remotely resulting in Denial of Service (DoS). Note this was originally published in 2015 however the CVE entry was added in 2020.
CVE-2015-5436
HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 7.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 73.1%
- KEV
- Not listed
Published
May 11, 2017
Last Modified
May 13, 2026
References (2)
- hp-security-alert@hphttps://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-c04806165
- af854a3a-2127-422b-91ae-364da2661108https://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-c04806165
Data Freshness Timeline
(refreshed 9× in last 7d / 36× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 13:30 UTCEG score recompute
- 2026-05-22 13:30 UTCGHSA enrichment
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- 2026-05-18 21:30 UTCEPSS rescore
- 2026-05-18 21:30 UTCEPSS rescore
Frequently asked(5)
What is CVE-2015-5436?
CVE-2015-5436 is a high vulnerability published on May 11, 2017. A potential security vulnerability has been identified with HP Integrated Lights-Out 4 (iLO 4) firmware version 2.11 and later, but prior to version 2.30. The vulnerability could be exploited remotely resulting in Denial of Service (DoS). Note this was originally published in 2015 however the CVE…
When was CVE-2015-5436 disclosed?
CVE-2015-5436 was first published in the National Vulnerability Database on May 11, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-5436 actively exploited?
CVE-2015-5436 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2015-5436?
CVE-2015-5436 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2015-5436?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-5436, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2015-5436
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