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CVE-2020-11199

HLOS to access EL3 stack canary by just mapping imem region due to Improper access control and...

5.5 Medium

HLOS to access EL3 stack canary by just mapping imem region due to Improper access control and can lead to information exposure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.20%Down 0.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

HLOS to access EL3 stack canary by just mapping imem region due to Improper access control and can lead to information exposure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Record
CVE-2020-11199
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE List No score

HLOS to access EL3 stack canary by just mapping imem region due to Improper access control and can lead to information exposure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Record
CVE-2020-11199
Updated
2026-11-02
EUVDEUVD-2020-3553 No score

HLOS to access EL3 stack canary by just mapping imem region due to Improper access control and can lead to information exposure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Record
EUVD-2020-3553
Updated
2026-11-03
GitHub AdvisoriesGHSA-m3rw-jhxf-7hh2 No score

HLOS to access EL3 stack canary by just mapping imem region due to Improper access control and...

HLOS to access EL3 stack canary by just mapping imem region due to Improper access control and can lead to information exposure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Record
GHSA-m3rw-jhxf-7hh2
Weakness
CWE-200
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-11199 is a medium vulnerability (CVSS 5.5) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure And Networking, published March 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.

References

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