CVE-2020-11256 is a high-severity memory corruption vulnerability affecting Qualcomm Snapdragon Wired Infrastructure and Networking products. It stems from a lack of validation for pointers passed to TrustZone, allowing a local attacker to achieve code execution. With a CVSS score of 8.8, this vulnerability presents a significant risk for confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code in Metasploit or ExploitDB, community discussion indicates a theoretical path to achieving QSEE code execution.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:qualcomm:ar7420_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:qualcomm:ar9580_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:qualcomm:ipq4018_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:qualcomm:ipq4019_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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.
Remediation records are not available for this CVE.