Edk2
CVE-2021-38575
HIGH
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.
AnalysisAI
NetworkPkg/IScsiDxe has remotely exploitable buffer overflows. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-124. NetworkPkg/IScsiDxe has remotely exploitable buffer overflows. Affected products include: Tianocore Edk2, Insyde Kernel.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
An unlimited recursion in DxeCore in EDK II. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity
A heap overflow in LzmaUefiDecompressGetInfo function in EDK II. Rated medium severity (CVSS 6.7), this vulnerability is
Example EDK2 encrypted private key in the IpSecDxe.efi present potential security risks. Rated high severity (CVSS 7.5),
EDK2 is susceptible to a vulnerability in the Tcg2MeasureGptTable() function, allowing a user to trigger a heap buffer o
EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buf
EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() function, allowing a user to trigger a heap buffer ov
The Ubuntu edk2 UEFI firmware packages accidentally allowed the UEFI Shell to be accessed in Secure Boot environments, p
Same weakness CWE-124 – Buffer Underwrite ('Buffer Underflow')
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today