CVE-2023-7152 is a critical use-after-free vulnerability affecting MicroPython versions 1.21.0 and 1.22.0-preview, specifically within the poll_set_add_fd function in extmod/modselect.c. With a CVSS score of 9.8, this vulnerability allows for remote, unauthenticated attacks with high impact on confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is no evidence of active exploitation, nor are there readily available exploit modules in common frameworks like Metasploit or Nuclei, and it has received minimal community discussion or media coverage. A patch (8b24aa36ba978eafc6114b6798b47b7bfecdca26) is available to remediate this issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.21.0CPE matchmatch criteria | cpe:2.3:a:micropython:micropython:1.21.0:*:*:*:*:*:*:* | ||
1.22.0CPE matchmatch criteria | cpe:2.3:a:micropython:micropython:1.22.0:preview:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.