CVE-2021-32727
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-32727
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32727.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-32727
- Related
- Published
- 2021-07-12T21:15:07Z
- Modified
- 2025-03-17T05:50:57.993254Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
Nextcloud Android Client is the Android client for Nextcloud. Clients using the Nextcloud end-to-end encryption feature download the public and private key via an API endpoint. In versions prior to 3.16.1, the Nextcloud Android client skipped a step that involved the client checking if a private key belonged to a previously downloaded public certificate. If the Nextcloud instance served a malicious public key, the data would be encrypted for this key and thus could be accessible to a malicious actor. The vulnerability is patched in version 3.16.1. As a workaround, do not add additional end-to-end encrypted devices to a user account.
- References
Affected packages
Git / github.com/nextcloud/android
Affected ranges
- Type
- GIT
- Repo
- https://github.com/nextcloud/android
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
- Type
- GIT
- Repo
- https://github.com/nextcloud/desktop
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
csync-0.*
csync-0.50.0
Other
e2e-tech-preview-1
v0.*
v0.0.2
v1.*
v1.1.0
v1.1.0-beta1
v1.1.2
v1.2.0
v1.2.1
v1.2.2
v1.2.3
v1.2.4
v1.2.5
v1.3.0
v1.3.0-beta1
v1.3.0-beta2
v1.3.0-beta3
v1.3.0-beta4
v1.4.0
v1.4.0-beta1
v1.4.0-beta2
v1.4.0-rc1
v1.4.1
v1.5.0
v1.5.0-beta1
v1.5.0-beta1-2nd
v1.5.0-beta2
v1.5.0-beta3
v1.5.1
v1.5.1-rc1
v1.5.2
v1.5.3
v1.5.3-rc1
v1.6.0
v1.6.0-beta1
v1.6.0-beta2
v1.6.0-rc1
v1.6.0-rc2
v1.6.0-rc3
v1.6.1
v1.6.1-rc1
v1.6.2
v1.6.2-rc1
v1.6.2-rc2
v1.6.2-themefix
v1.7.0
v1.7.0-alpha1
v1.7.0-beta1
v1.7.0-beta2
v1.7.0-beta3
v1.7.0-beta4
v1.7.0-rc1
v1.7.0beta1
v1.7.0beta2
v1.7.1-beta1
v1.7.1-rc1
v1.8.0
v1.8.0-beta1
v1.8.0-beta1a
v1.8.0-beta2
v1.8.0-rc1
v1.8.0rc1
v1.8.1
v1.8.1-beta1
v1.8.1-rc1
v1.8.1-rc2
v1.8.2
v1.8.2-beta1
v1.8.2-rc1
v1.8.3
v1.8.3-rc1
v1.8.3-rc2
v1.8.3-rc3
v2.*
v2.0.0
v2.0.0-beta2
v2.0.0-rc2
v2.0.1
v2.0.2
v2.0.2-oem
v2.0.2-rc1
v2.0.2-rc2
v2.5.0
v2.5.0-beta1
v2.5.0-beta2
v2.5.0-rc1
v2.5.0-rc2
v2.5.1
v2.5.2
v2.5.2-rc1
v2.5.3-rc1
v2.5.3-rc2
v2.7.0-beta1
v2.7.0-beta2
v2.7.0-beta3
v2.7.0-rc1
v3.*
v3.1.0
v3.1.0-rc1
v3.1.0-rc2
v3.16.0
v3.16.0-rc1
v3.16.0-rc2
v3.16.0-rc3
v3.16.0-rc4
v3.2.0-rc1
v3.2.0-rc2
v3.2.0-rc3
v3.3.0
v3.3.0-rc1
v3.3.0-rc2
v3.4.0-do-not-use
v3.4.0-rc1
v3.4.0-rc2
v3.5.0
v3.5.0-rc1
v3.5.0-rc2
v3.5.0-rc3
v3.5.0-rc4
v3.6.0
v3.6.0-rc1
v3.6.0-rc2