CVE-2021-26362
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system...
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.1
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.
- Record
CVE-2021-26362- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 2.0
- 6.6 Medium
AV:L/AC:L/Au:N/C:N/I:C/A:C - Updated
- 2026-11-02
CVE List No score
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.
- Record
CVE-2021-26362- Updated
- 2026-11-02
EUVDEUVD-2021-13168 No score
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.
- Record
EUVD-2021-13168- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-frvj-25f8-q983
7.1
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system...
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.
- Record
GHSA-frvj-25f8-q983- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
Affected products
- amd athlon 3050ge firmware
- amd athlon 3150g firmware
- amd athlon 3150ge firmware
- amd athlon™ series
- amd radeon software
- amd ryzen 3 2200u firmware
- amd ryzen 3 2300u firmware
- amd ryzen 3 5125c firmware
- amd ryzen 3 5400u firmware
- amd ryzen 3 5425c firmware
- amd ryzen 3 5425u firmware
- amd ryzen 5 2500u firmware
Show 26 moreShow less
- amd ryzen 5 2600 firmware
- amd ryzen 5 2600h firmware
- amd ryzen 5 2600x firmware
- amd ryzen 5 5560u firmware
- amd ryzen 5 5600h firmware
- amd ryzen 5 5600hs firmware
- amd ryzen 5 5600u firmware
- amd ryzen 5 5600x firmware
- amd ryzen 5 5625c firmware
- amd ryzen 5 5625u firmware
- amd ryzen 5 5700g firmware
- amd ryzen 5 5700ge firmware
- amd ryzen 7 2700 firmware
- amd ryzen 7 2700u firmware
- amd ryzen 7 2700x firmware
- amd ryzen 7 2800h firmware
- amd ryzen 7 5800h firmware
- amd ryzen 7 5800hs firmware
- amd ryzen 7 5800u firmware
- amd ryzen 7 5825c firmware
- amd ryzen 7 5825u firmware
- amd ryzen 9 5900hs firmware
- amd ryzen 9 5900hx firmware
- amd ryzen 9 5980hs firmware
- amd ryzen 9 5980hx firmware
- amd ryzen™ series
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26362 is a high vulnerability (CVSS 7.1) in Amd Athlon 3050ge Firmware, published May 12, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.