Qualcomm Snapdragon 820 Firmware vulnerabilities

9 CVEs affecting Qualcomm Snapdragon 820 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-33021, published 2023-09-05.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2023-33020, published 2023-09-05. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in WLAN Host when an invalid channel (like channel out of range) is received in STA during CSA IE.
• CVE-2023-33019, published 2023-09-05. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in WLAN Host while doing channel switch announcement (CSA), when a mobile station receives invalid channel in CSA IE.
• CVE-2023-33021, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in Graphics while processing user packets for command submission.
• CVE-2023-28565, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in WLAN HAL while handling command streams through WMI interfaces.
• CVE-2023-28564, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in WLAN HAL while passing command parameters through WMI interfaces.
• CVE-2023-28542, published 2023-07-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption in WLAN HOST while fetching TX status information.
• CVE-2023-28541, published 2023-07-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption in Data Modem while processing DMA buffer release event about CFR data.
• CVE-2023-22667, published 2023-07-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption in Audio while allocating the ion buffer during the music playback.
• CVE-2023-21633, published 2023-07-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption in Linux while processing QcRilRequestImsRegisterMultiIdentityMessage request.