CVE detail
CVE-2021-21573
Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
2 source links · newest first
- Flaws in Dell BIOSConnect feature affect 128 device modelsSecurity Affairs
Flaws affecting the BIOSConnect feature of Dell Client BIOS could be exploited by a privileged attacker to execute arbitrary code at the BIOS/UEFI level of the impacted device. Researchers from cybersecurity firm Eclypsium discovered multiple vulnerabilities affecting the BIOSConnect feature of Dell Client BIOS that could be exploited by a privileged attacker to execute arbitrary code […]
newssecurityaffairs.comJun 24, 2021, 10:33 PM - Vulnerabilities in Dell computers allow RCE at the BIOS/UEFI levelHelp Net Security
An estimated 30 million Dell computers are affected by several vulnerabilities that may enable an attacker to remotely execute code in the pre-boot (BIOS/UEFI) environment, Eclypsium researchers have found. The vulnerabilities The vulnerabilities affect 128 Dell models of consumer and business laptops, desktops, and tablets, including devices protected by Secure Boot and Dell Secured-core PCs. The problem resides in the BIOSConnect feature of Dell SupportAssist, a solution that comes preinstalled on most Windows-based Dell machines … More →
newswww.helpnetsecurity.comJun 24, 2021, 11:27 AM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
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