HOMEVULNERABILITIESCVE-2021-33060
HIGH

CVE-2021-33060

CWE-787Published: August 18, 2022· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Out-of-bounds write in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.

NVD Source

Technical Analysis

CVE-2021-33060 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

intel106 product(s)
xeon gold 5315y firmwarexeon gold 5315yxeon gold 5317 firmwarexeon gold 5317xeon gold 5318n firmwarexeon gold 5318nxeon gold 5318s firmwarexeon gold 5318sxeon gold 5318y firmwarexeon gold 5318yxeon gold 5320 firmwarexeon gold 5320+94
netapp38 product(s)
aff c190 firmwareaff c190aff a200 firmwareaff a200aff a220 firmwareaff a220aff a250 firmwareaff a250aff a300 firmwareaff a300aff a320 firmwareaff a320+26
Source: NVD CPE · 144 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://security.netapp.com/advisory/ntap-20220930-0004/
ADVISORYhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00686.html
ADVISORYhttps://security.netapp.com/advisory/ntap-20220930-0004/
ADVISORYhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00686.html

All References (4)

→
https://security.netapp.com/advisory/ntap-20220930-0004/Third Party Advisory
→
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00686.htmlVendor Advisory
→
https://security.netapp.com/advisory/ntap-20220930-0004/Third Party Advisory
→
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00686.htmlVendor Advisory

Quick Facts

CVE IDCVE-2021-33060
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected2 vendor(s)
PublishedAug 18, 2022

Related CVEs (CWE-787)

CVE-2004-0574
10.0
CVE-2026-42369
10.0
CVE-2015-0235
10.0
CVE-2004-1287
10.0
CVE-2018-10718
10.0
CVE-2026-4746
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-33060 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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