How severe is CVE-2017-12542?

CVE-2017-12542 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-12542 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 99% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12542?

CVE-2017-12542 affects Hp Integrated Lights-out 4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12542?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-12542 published?

CVE-2017-12542 was published on 2018-02-15 and last updated on 2026-06-17.

CVE-2017-12542

CVE-2017-12542 is a critical-severity vulnerability in Hp Integrated Lights-out 4 Firmware with a CVSS 3.x base score of 10.0. Its EPSS exploit-prediction score of 99% places it in the 100th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 10.0
EPSS exploit prediction: 99% (100th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hp Integrated Lights-out 4 Firmware
Published: 2018-02-15
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-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.
How severe is CVE-2017-12542?: CVE-2017-12542 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-12542 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 99% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12542?: CVE-2017-12542 affects Hp Integrated Lights-out 4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12542?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-12542 published?: CVE-2017-12542 was published on 2018-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:hp:integrated_lights-out_4_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Hp Integrated Lights-out 4 Firmware

CVE-2014-7876 — Critical (CVSS 10.0): Unspecified vulnerability in HP Integrated Lights-Out (iLO) firmware 2 before 2.27 and 4 before 2.03 and iLO Chassis…
CVE-2013-2338 — Critical (CVSS 10.0): Unspecified vulnerability on HP Integrated Lights-Out 3 (aka iLO3) cards with firmware before 1.57 and 4 (aka iLO4)…
CVE-2016-4375 — Critical (CVSS 9.8): Multiple unspecified vulnerabilities in HPE Integrated Lights-Out 3 (aka iLO 3) firmware before 1.88, Integrated…
CVE-2012-3271 — Critical (CVSS 9.3): Unspecified vulnerability on the HP Integrated Lights-Out 3 (aka iLO3) with firmware before 1.50 and Integrated…
CVE-2018-7093 — High (CVSS 8.6): A security vulnerability in HPE Integrated Lights-Out 3 prior to v1.90, iLO 4 prior to v2.60, iLO 5 prior to v1.30,…
CVE-2019-11982 — High (CVSS 8.3): A remote cross site scripting vulnerability was identified in HPE Integrated Lights-Out 4 (iLO 4) earlier than v2.61b…

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