CVE-2018-11820
Use of non-time constant memcmp function creates side channel that leaks information and leads to cryptographic issues in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer…
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
Description
Use of non-time constant memcmp function creates side channel that leaks information and leads to cryptographic issues in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in versions IPQ8074, MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8996AU, QCA8081, QCS605, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 800, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.23% probability · 14th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- qualcomm/ipq8074 firmware · qualcomm/mdm9150 firmware · qualcomm/mdm9206 firmware · qualcomm/mdm9607 firmware · qualcomm/mdm9640 firmware · qualcomm/mdm9650 firmware · qualcomm/mdm9655 firmware · qualcomm/msm8996au firmware · qualcomm/qca8081 firmware · qualcomm/qcs605 firmware · qualcomm/sd 210 firmware · qualcomm/sd 212 firmware · qualcomm/sd 205 firmware · qualcomm/sd 410 firmware · qualcomm/sd 412 firmware · qualcomm/sd 425 firmware · qualcomm/sd 427 firmware · qualcomm/sd 430 firmware · qualcomm/sd 435 firmware · qualcomm/sd 439 firmware · +26 more
- Source
- product-security@qualcomm.com
EPSS 0.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/106845Third Party Advisory, VDB Entry
- https://www.qualcomm.com/company/product-security/bulletinsVendor Advisory
- http://www.securityfocus.com/bid/106845Third Party Advisory, VDB Entry
- https://www.qualcomm.com/company/product-security/bulletinsVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.