CVE-2021-45451 is a high-severity vulnerability affecting Mbed TLS versions prior to 3.1.0, specifically impacting arm mbed_tls and fedoraproject mbed_tls. It allows for policy bypass or oracle-based decryption due to the psa_aead_generate_nonce function exposing sensitive memory locations to untrusted applications. With a CVSS score of 7.5, this vulnerability has a network attack vector, low attack complexity, and a high impact on confidentiality. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.1.0CPE matchmatch criteria | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | ||
36CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | ||
37CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.