How severe is CVE-2022-31638?

CVE-2022-31638 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-31638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31638?

CVE-2022-31638 primarily affects Hp Zcentral 4r Workstation Firmware. In total, 403 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-31638?

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

When was CVE-2022-31638 published?

CVE-2022-31638 was published on 2023-06-13 and last updated on 2026-06-17.

CVE-2022-31638

CVE-2022-31638 is a high-severity vulnerability in Hp Zcentral 4r Workstation Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-367.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-367
Affected product: Hp Zcentral 4r Workstation Firmware
Published: 2023-06-13
Last modified: 2026-06-17

Description

Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS for certain HP PC products, which might allow arbitrary code execution, escalation of privilege, denial of service, and information disclosure.

Frequently asked questions

What is CVE-2022-31638?: Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS for certain HP PC products, which might allow arbitrary code execution, escalation of privilege, denial of service, and information disclosure.
How severe is CVE-2022-31638?: CVE-2022-31638 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-31638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31638?: CVE-2022-31638 primarily affects Hp Zcentral 4r Workstation Firmware. In total, 403 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-31638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-31638 published?: CVE-2022-31638 was published on 2023-06-13 and last updated on 2026-06-17.

References

https://support.hp.com/us-en/document/ish_7149996-7150021-16/hpsbhf03814

Affected products (403)

cpe:2.3:o:hp:zcentral_4r_workstation_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:z1_all-in-one_g3_workstation_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_725_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_745_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_755_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_645_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_655_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:mt43_mobile_thin_client_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_x2_1012_g2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_1040_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_820_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_828_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_840_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_848_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_850_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_x360_1020_g2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_x360_1030_g2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:pro_x2_612_g2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_455_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_640_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_650_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:zbook_14u_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:zbook_15_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:zbook_15u_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:zbook_17_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:zbook_studio_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:zbook_x2_g4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_x360_11_g2_ee_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_725_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_745_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_755_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_455_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_645_g2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:probook_655_g2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_x2_1012_g1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_x2_1012_g1_tablet_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_x2_1012_g1_tablet_with_travel_keyboard_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_1030_g1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_1040_g3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:elitebook_820_g3_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Hp Zcentral 4r Workstation Firmware

CVE-2022-31639 — High (CVSS 7.8): Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS for certain HP PC…
CVE-2022-31637 — High (CVSS 7.8): Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS for certain HP PC…
CVE-2022-31636 — High (CVSS 7.8): Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS for certain HP PC…
CVE-2022-31635 — High (CVSS 7.8): Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS for certain HP PC…
CVE-2022-43778 — High (CVSS 7.8): Potential Time-of-Check to Time-of Use (TOCTOU) vulnerabilities have been identified in the HP BIOS for certain HP PC…
CVE-2022-43777 — High (CVSS 7.8): Potential Time-of-Check to Time-of Use (TOCTOU) vulnerabilities have been identified in the HP BIOS for certain HP PC…

All CVEs affecting Hp Zcentral 4r Workstation Firmware →

Other CWE-367 (Time-of-check Time-of-use (TOCTOU) Race Condition) vulnerabilities

CVE-2026-25641 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, there is a sandbox escape vulnerability due to a…
CVE-2025-64180 — Critical (CVSS 10.0): Manager-io/Manager is accounting software. In Manager Desktop and Server versions 25.11.1.3085 and below, a critical…
CVE-2025-34027 — Critical (CVSS 10.0): The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy…
CVE-2026-25052 — Critical (CVSS 9.9): n8n is an open source workflow automation platform. Prior to versions 1.123.18 and 2.5.0, a vulnerability in the file…
CVE-2025-13032 — Critical (CVSS 9.9): Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3 on windows allows local attacker to escalate…
CVE-2026-53838 — Critical (CVSS 9.8): OpenClaw before 2026.5.27 contains a state mutation vulnerability in node pairing reconnection that allows paired nodes…

Browse all CWE-367 (Time-of-check Time-of-use (TOCTOU) Race Condition) vulnerabilities →