CVE-2021-32658
CVE-2021-32658 is a medium-severity vulnerability in Nextcloud with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-212.
Key facts
- Severity: Medium (CVSS 3.x base score 4.7)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-212
- Affected product: Nextcloud
- Published:
- Last modified:
Description
Nextcloud Android is the Android client for the Nextcloud open source home cloud system. Due to a timeout issue the Android client may not properly clean all sensitive data on account removal. This could include sensitive key material such as the End-to-End encryption keys. It is recommended that the Nextcloud Android App is upgraded to 3.16.1
Frequently asked questions
- What is CVE-2021-32658?
- Nextcloud Android is the Android client for the Nextcloud open source home cloud system. Due to a timeout issue the Android client may not properly clean all sensitive data on account removal. This could include sensitive key material such as the End-to-End encryption keys. It is recommended that the Nextcloud Android App is upgraded to 3.16.1
- How severe is CVE-2021-32658?
- CVE-2021-32658 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-32658 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-32658?
- CVE-2021-32658 affects Nextcloud. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-32658?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-32658 published?
- CVE-2021-32658 was published on 2021-06-08 and last updated on 2026-06-17.
References
- https://github.com/nextcloud/android/commit/355f3c745b464b741b20a3b96597303490c26333
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g5gf-rmhm-wpxw
- https://hackerone.com/reports/1189168
Affected products (1)
- cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:android:*:*
More vulnerabilities in Nextcloud
- CVE-2019-5454 — Critical (CVSS 9.8): SQL Injection in the Nextcloud Android app prior to version 3.0.0 allows to destroy a local cache when a harmful query…
- CVE-2021-43863 — High (CVSS 7.5): The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. The Nextcloud…
- CVE-2023-28999 — Medium (CVSS 6.9): Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app…
- CVE-2019-5455 — Medium (CVSS 6.8): Bypassing lock protection exists in Nextcloud Android app 3.6.0 when creating a multi-account and aborting the process.
- CVE-2019-5450 — Medium (CVSS 6.8): Improper sanitization of HTML in directory names in the Nextcloud Android app prior to version 3.7.0 allowed to style…
- CVE-2021-22912 — Medium (CVSS 6.5): Nextcloud iOS before 3.4.2 suffers from an information disclosure vulnerability when searches for sharees utilize the…
All CVEs affecting Nextcloud →
Other CWE-212 vulnerabilities
- CVE-2022-2818 — Critical (CVSS 9.8): Improper Removal of Sensitive Information Before Storage or Transfer in GitHub repository cockpit-hq/cockpit prior to…
- CVE-2020-11684 — Critical (CVSS 9.1): AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control…
- CVE-2026-39937 — High (CVSS 8.8): Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation…
- CVE-2022-30617 — High (CVSS 8.8): An authenticated user with access to the Strapi admin panel can view private and sensitive data, such as email and…
- CVE-2022-0355 — High (CVSS 8.8): Improper Removal of Sensitive Information Before Storage or Transfer in NPM simple-get prior to 4.0.1.
- CVE-2021-0340 — High (CVSS 8.8): In parseNextBox of IsoInterface.java, there is a possible leak of unredacted location information due to improper input…