Qualcomm SDX20M Firmware vulnerabilities

95 CVEs affecting Qualcomm SDX20M Firmware, 4 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-21482, published 2025-09-24.

Highest priority

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

CVE-2020-11261: Qualcomm Multiple Chipsets Improper Input Validation Vulnerability, published 2021-06-09. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-12-01. EPSS: 1.6% chance of exploitation in the next 30 days. Memory corruption due to improper check to return error when user application requests memory allocation of a huge size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
CVE-2021-1905: Qualcomm Multiple Chipsets Use-After-Free Vulnerability, published 2021-05-07. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 1.5% chance of exploitation in the next 30 days. Possible use after free due to improper handling of memory mapping of multiple processes simultaneously. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
CVE-2023-33107: Qualcomm Multiple Chipsets Integer Overflow Vulnerability, published 2023-12-05. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2023-12-05. EPSS: 0.7% chance of exploitation in the next 30 days. Memory corruption in Graphics Linux while assigning shared virtual memory region during IOCTL call.
CVE-2021-1906: Qualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability, published 2021-05-07. Medium severity, CVSS 5.5. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 0.5% chance of exploitation in the next 30 days. Improper handling of address deregistration on failure can lead to new GPU address allocation failure. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
CVE-2020-11264, published 2021-09-08. Critical severity, CVSS 9.8. EPSS: 13.2% chance of exploitation in the next 30 days. Improper authentication of Non-EAPOL/WAPI plaintext frames during four-way handshake can lead to arbitrary network packet injection in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,…
CVE-2020-11301, published 2021-09-08. High severity, CVSS 7.5. EPSS: 11.1% chance of exploitation in the next 30 days. Improper authentication of un-encrypted plaintext Wi-Fi frames in an encrypted network can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
CVE-2020-11299, published 2021-03-17. Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days. Buffer overflow can occur in video while playing the non-standard clip in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon…
CVE-2020-11193, published 2020-11-12. Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days. u'Buffer over read can happen while parsing mkv clip due to improper typecasting of data returned from atomsize' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial…
CVE-2020-11168, published 2020-11-12. Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days. u'Null-pointer dereference can occur while accessing data buffer beyond its size that leads to access the buffer beyond its range' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT,…
CVE-2020-11196, published 2020-11-12. Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days. u'Integer overflow to buffer overflow occurs while playback of ASF clip having unexpected number of codec entries' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon…

Latest

CVE-2025-21482, published 2025-09-24. High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days. Cryptographic issue while performing RSA PKCS padding decoding.
CVE-2025-21454, published 2025-07-08. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS while processing received beacon frame.
CVE-2025-21449, published 2025-07-08. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS may occur while processing malformed length field in SSID IEs.
CVE-2024-33056, published 2024-12-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when allocating and accessing an entry in an SMEM partition continuously.
CVE-2024-38423, published 2024-11-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing GPU page table switch.
CVE-2024-38422, published 2024-11-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing voice packet with arbitrary data received from ADSP.
CVE-2024-33060, published 2024-09-02. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Memory corruption when two threads try to map and unmap a single node simultaneously.
CVE-2024-33051, published 2024-09-02. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while processing TIM IE from beacon frame as there is no check for IE length.
CVE-2024-33016, published 2024-09-02. Medium severity, CVSS 6.8. EPSS: 0.2% chance of exploitation in the next 30 days. memory corruption when an invalid firehose patch command is invoked.
CVE-2024-21471, published 2024-05-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when IOMMU unmap of a GPU buffer fails in Linux.