CVE-2021-43613
Insyde InsydeH2O SysPasswordDxe Information Disclosure Vulnerability
Description
An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege
INFO
Published Date :
Sept. 3, 2026, 3:35 a.m.
Last Modified :
Sept. 3, 2026, 3:35 a.m.
Remotely Exploit :
No
Source :
None
Affected Products
The following products are affected by CVE-2021-43613
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Update UEFI firmware.
- Apply vendor-supplied security patches.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-43613.
| URL | Resource |
|---|---|
| https://www.insyde.com/security-pledge/sa-2022027/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-43613 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-43613
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-43613 vulnerability anywhere in the article.