How severe is CVE-2021-33105?

CVE-2021-33105 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-33105 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33105?

CVE-2021-33105 primarily affects Intel Core I5-8305g Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33105?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-33105 published?

CVE-2021-33105 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2021-33105

CVE-2021-33105 is a medium-severity vulnerability in Intel Core I5-8305g Firmware with a CVSS 3.x base score of 5.5. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Intel Core I5-8305g Firmware
Published: 2022-02-09
Last modified: 2026-06-17

Description

Out-of-bounds read in some Intel(R) Core(TM) processors with Radeon(TM) RX Vega M GL integrated graphics before version 21.10 may allow an authenticated user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2021-33105?: Out-of-bounds read in some Intel(R) Core(TM) processors with Radeon(TM) RX Vega M GL integrated graphics before version 21.10 may allow an authenticated user to potentially enable information disclosure via local access.
How severe is CVE-2021-33105?: CVE-2021-33105 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-33105 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33105?: CVE-2021-33105 primarily affects Intel Core I5-8305g Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33105?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33105 published?: CVE-2021-33105 was published on 2022-02-09 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00481.html

Affected products (2)

cpe:2.3:o:intel:core_i5-8305g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:core_i7-8706g_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Core I5-8305g Firmware

CVE-2021-33123 — High (CVSS 7.8): Improper access control in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user…
CVE-2021-0156 — High (CVSS 7.8): Improper input validation in the firmware for some Intel(R) Processors may allow an authenticated user to potentially…
CVE-2021-0117 — High (CVSS 7.8): Pointer issues in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an…
CVE-2021-0116 — High (CVSS 7.8): Out-of-bounds write in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an…
CVE-2019-0155 — High (CVSS 7.8): Insufficient access control in a subsystem for Intel (R) processor graphics in 6th, 7th, 8th and 9th Generation…
CVE-2022-33894 — High (CVSS 7.5): Improper input validation in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially…

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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