How severe is CVE-2020-11186?

CVE-2020-11186 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-11186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11186?

CVE-2020-11186 primarily affects Qualcomm Csrb31024 Firmware. In total, 113 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11186?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11186 published?

CVE-2020-11186 was published on 2021-03-17 and last updated on 2026-06-17.

CVE-2020-11186

CVE-2020-11186 is a medium-severity vulnerability in Qualcomm Csrb31024 Firmware with a CVSS 3.x base score of 5.5. 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-835.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Qualcomm Csrb31024 Firmware
Published: 2021-03-17
Last modified: 2026-06-17

Description

Modem will enter into busy mode in an infinite loop while parsing histogram dimension due to improper validation of input received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile

Frequently asked questions

What is CVE-2020-11186?: Modem will enter into busy mode in an infinite loop while parsing histogram dimension due to improper validation of input received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
How severe is CVE-2020-11186?: CVE-2020-11186 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-11186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11186?: CVE-2020-11186 primarily affects Qualcomm Csrb31024 Firmware. In total, 113 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11186?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11186 published?: CVE-2020-11186 was published on 2021-03-17 and last updated on 2026-06-17.

References

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

Affected products (113)

cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm3003a_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:pm8008_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8009_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8150a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8150b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8150c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8150l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmk8002_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmr525_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmx24_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmx55_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat3516_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat3518_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat3519_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat3555_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat5515_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat5522_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat5533_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qbt2000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6421_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6431_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6584au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qdm2301_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qdm2305_firmware:-:*:*:*:*:*:*:*

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