How severe is CVE-2020-11157?

CVE-2020-11157 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-11157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11157?

CVE-2020-11157 primarily affects Qualcomm Apq8053 Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11157?

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-2020-11157 published?

CVE-2020-11157 was published on 2020-11-02 and last updated on 2026-06-17.

CVE-2020-11157

CVE-2020-11157 is a high-severity vulnerability in Qualcomm Apq8053 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Qualcomm Apq8053 Firmware
Published: 2020-11-02
Last modified: 2026-06-17

Description

u'Lack of handling unexpected control messages while encryption was in progress can terminate the connection and thus leading to a DoS' in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8053, APQ8076, MDM9640, MDM9650, MSM8905, MSM8917, MSM8937, MSM8940, MSM8953, QCA6174A, QCA9886, QCM2150, QM215, SDM429, SDM439, SDM450, SDM632

Frequently asked questions

What is CVE-2020-11157?: u'Lack of handling unexpected control messages while encryption was in progress can terminate the connection and thus leading to a DoS' in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8053, APQ8076, MDM9640, MDM9650, MSM8905, MSM8917, MSM8937, MSM8940, MSM8953, QCA6174A, QCA9886, QCM2150, QM215, SDM429, SDM439, SDM450, SDM632
How severe is CVE-2020-11157?: CVE-2020-11157 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-11157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11157?: CVE-2020-11157 primarily affects Qualcomm Apq8053 Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11157?: 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-2020-11157 published?: CVE-2020-11157 was published on 2020-11-02 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin

Affected products (17)

cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8076_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8905_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8917_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8937_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8940_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8953_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9886_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm2150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qm215_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm429_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm439_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm632_firmware:-:*:*:*:*:*:*:*

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