CVE-2020-11291

9.8 CRITICAL 0.9% exploit odds Fix listed Memory safety Device

What it is

Possible buffer overflow while updating ikev2 parameters for delete payloads received during informational exchange due to lack of check of input validation for certain parameters received from the ePDG server in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-06-09 07:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:50 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.9% in the next 30 days (EPSS).
Severity: 9.8 CRITICAL (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-06-09 07:15 UTC
Last modified: 2026-06-17 02:50 UTC
Exploit probability: 0.9% · EPSS, next 30 days
Weakness: CWE-129
Record status: Modified

Affected

Qualcomm apq8017 Firmware
Qualcomm apq8053 Firmware
Qualcomm aqt1000 Firmware
Qualcomm csrb31024 Firmware
Qualcomm msm8917 Firmware
Qualcomm msm8920 Firmware
Qualcomm msm8940 Firmware
Qualcomm msm8953 Firmware

Attack profile CVSS 3.1 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2020-11291.md and follow it. Check whether this project is affected by CVE-2020-11291. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record