CVE-2021-35465 is a low-severity vulnerability affecting specific Arm Cortex-M33, Cortex-M35P, Cortex-M55, and Arm China STAR-MC1 products. The flaw allows a Non-secure handler to gain unauthorized read or write access to Secure context data due to improper handling of exceptions during a VLLDM instruction. With a CVSS score of 3.4, exploitation requires high privileges and local access, resulting in limited confidentiality and integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= r0p0, <= r1p0CPE matchmatch criteria | cpe:2.3:o:arm:cortex-m33_firmware:*:*:*:*:*:*:*:* | ||
r0CPE matchmatch criteria | cpe:2.3:o:arm:cortex-m35p_firmware:r0:*:*:*:*:*:*:* | ||
>= r0p0, <= r1p0CPE matchmatch criteria | cpe:2.3:o:arm:cortex-m55_firmware:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:arm:china_star-mc1_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.