SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-11291

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,…

CRITICAL 9.8EPSS 0.94%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.94% probability · 61th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-129
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 · qualcomm/msm8976 firmware · qualcomm/msm8976sg firmware · qualcomm/qca6174a firmware · qualcomm/qca6390 firmware · qualcomm/qca6391 firmware · qualcomm/qca6420 firmware · qualcomm/qca6421 firmware · qualcomm/qca6426 firmware · qualcomm/qca6430 firmware · qualcomm/qca6431 firmware · qualcomm/qca6436 firmware · qualcomm/qca6564au firmware · +40 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.94%26 October 202626 October 2026

EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.