Improper authorization of the Screen Lock feature in WhatsApp and WhatsApp Business for iOS prior to v2.20.100 could have permitted use of Siri to interact with the WhatsApp application even after the phone was locked
Published Nov 3, 2020
4.6
MEDIUMCVSS 3.1
EPSS 0.29%
Description
Improper authorization of the Screen Lock feature in WhatsApp and WhatsApp Business for iOS prior to v2.20.100 could have permitted use of Siri to interact with the WhatsApp application even after the phone was locked.
Affected products
-
- Version 2.20.100StatusaffectedConstraints-
- Version unspecifiedStatusaffectedConstraints<2.20.100
- Version
-
- Version 2.20.100StatusaffectedConstraints-
- Version unspecifiedStatusaffectedConstraints<2.20.100
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WhatsApp Business for iOS | n/a |
| ||||||||||
| WhatsApp for iOS | n/a |
|
- < 2.20.100
- < 2.20.100
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.29% (0.00291) | 19.58th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.29% (0.00291) | 21.92th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00058) | 25.44th | v3 (v2023.03.01) |
| Jun 11, 2024 | 0.06% (0.00058) | 24.80th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.06% (0.00058) | 22.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00051) | 18.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Jan 6, 2022 | 1.84% (0.01840) | 47.32th | v1 |
| Jan 5, 2022 | 0.42% (0.00416) | 26.65th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://www.whatsapp.com/security/advisories/2020/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.whatsapp.com/security/advisories/2020/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.