How severe is CVE-2019-14557?

CVE-2019-14557 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-14557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14557?

CVE-2019-14557 affects Intel Bios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-14557?

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-2019-14557 published?

CVE-2019-14557 was published on 2020-10-05 and last updated on 2026-06-17.

CVE-2019-14557

CVE-2019-14557 is a high-severity vulnerability in Intel Bios with a CVSS 3.x base score of 8.0. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 5.2
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Intel Bios
Published: 2020-10-05
Last modified: 2026-06-17

Description

Buffer overflow in BIOS firmware for 8th, 9th, 10th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable elevation of privilege or denial of service via adjacent access.

Frequently asked questions

What is CVE-2019-14557?: Buffer overflow in BIOS firmware for 8th, 9th, 10th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable elevation of privilege or denial of service via adjacent access.
How severe is CVE-2019-14557?: CVE-2019-14557 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-14557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14557?: CVE-2019-14557 affects Intel Bios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-14557?: 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-2019-14557 published?: CVE-2019-14557 was published on 2020-10-05 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.html

Affected products (1)

cpe:2.3:o:intel:bios:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Bios

CVE-2020-12360 — High (CVSS 7.8): Out of bounds read in the firmware for some Intel(R) Processors may allow an authenticated user to potentially enable…
CVE-2020-8672 — High (CVSS 7.8): Out of bound read in BIOS firmware for 8th, 9th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 Series…
CVE-2020-8739 — High (CVSS 7.8): Use of potentially dangerous function in Intel BIOS platform sample code for some Intel(R) Processors may allow an…
CVE-2018-3612 — High (CVSS 7.8): Intel NUC kits with insufficient input validation in system firmware, potentially allows a local attacker to elevate…
CVE-2008-7096 — Medium (CVSS 6.9): Intel Desktop and Intel Mobile Boards with BIOS firmware DQ35JO, DQ35MP, DP35DP, DG33FB, DG33BU, DG33TL, MGM965TW,…
CVE-2020-12359 — Medium (CVSS 6.8): Insufficient control flow management in the firmware for some Intel(R) Processors may allow an unauthenticated user to…

All CVEs affecting Intel Bios →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →