How severe is CVE-2020-11252?

CVE-2020-11252 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-11252 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11252?

CVE-2020-11252 primarily affects Qualcomm Aqt1000 Firmware. In total, 310 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11252?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-11252 published?

CVE-2020-11252 was published on 2021-04-07 and last updated on 2026-06-17.

CVE-2020-11252

CVE-2020-11252 is a high-severity vulnerability in Qualcomm Aqt1000 Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 4.7
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Qualcomm Aqt1000 Firmware
Published: 2021-04-07
Last modified: 2026-06-17

Description

Trustzone initialization code will disable xPU`s when memory dumps are enabled and lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Frequently asked questions

What is CVE-2020-11252?: Trustzone initialization code will disable xPU`s when memory dumps are enabled and lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
How severe is CVE-2020-11252?: CVE-2020-11252 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-11252 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11252?: CVE-2020-11252 primarily affects Qualcomm Aqt1000 Firmware. In total, 310 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11252?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-11252 published?: CVE-2020-11252 was published on 2021-04-07 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/april-2021-bulletin

Affected products (310)

cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10055_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10056_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6005_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9205_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm3003a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm4125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm4250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm456_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6150a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6150l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm640a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm640l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm640p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm660_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm660l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm670_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm670a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm670l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7150a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7150l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7250b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8004_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8005_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8008_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Aqt1000 Firmware

CVE-2025-21483 — Critical (CVSS 9.8): Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.
CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
CVE-2023-28562 — Critical (CVSS 9.8): Memory corruption while handling payloads from remote ESL.
CVE-2022-40510 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
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CVE-2022-22088 — Critical (CVSS 9.8): Memory corruption in Bluetooth HOST due to buffer overflow while parsing the command response received from remote

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