Vulnerability Details : CVE-2022-23822
In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device. This in turn may further allow the attacker to perform additional attacks such as such as using the device as a decryption oracle. An anticipated mitigation via a 2022.1 patch will resolve the issue.
Products affected by CVE-2022-23822
- cpe:2.3:o:xilinx:zynq-7000s_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:xilinx:zynq-7000_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-23822
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-23822
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST | |
|
6.8
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
NIST |
CWE ids for CVE-2022-23822
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by:
- nvd@nist.gov (Primary)
- psirt@amd.com (Secondary)
References for CVE-2022-23822
-
https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsbl
embeddedsw/lib/sw_apps/zynq_fsbl at master · Xilinx/embeddedsw · GitHubThird Party Advisory
-
https://support.xilinx.com/s/article/76974
WidgetVendor Advisory
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