CVE-2021-32694

Q: How do I fix CVE-2021-32694?

Upgrade nextcloud to 3.15.1 or later.

Q: Is CVE-2021-32694 being actively exploited?

Not that we know of. CVE-2021-32694 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.97% is the estimated probability that it will be exploited in the next 30 days. That is higher than 58% of all scored CVEs.

Q: How severe is CVE-2021-32694?

CVE-2021-32694 has a CVSS v3 base score of 4.1, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-32694 affect?

Published advisories record a fix for nextcloud (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

4.1

CVSS v3

NVD

Description

Nextcloud Android app is the Android client for Nextcloud. In versions prior to 3.15.1, a malicious application on the same device is possible to crash the Nextcloud Android Client due to an uncaught exception. The vulnerability is patched in version 3.15.1.

CWE-248

How to fix

Remediation Available

nextcloudNVD

Affected:< 3.15.1Fixed in:3.15.1CVE-2021-32694derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.97%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Patch1

github.com

Exploit1

hackerone.com

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-248 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-59538	High	7.5	8.3%	-	Fix
CVE-2021-37714	High	7.5	6.9%	-	Fix
CVE-2025-53366	Unscored	-	6.0%	-	-
CVE-2018-11466	Critical	9.8	4.0%	-	-
CVE-2025-59465	High	7.5	3.6%	-	Fix
CVE-2018-7852	High	7.5	3.6%	-	-

Common questions

How do I fix CVE-2021-32694?

Upgrade nextcloud to 3.15.1 or later.

Is CVE-2021-32694 being actively exploited?

Not that we know of. CVE-2021-32694 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.97% is the estimated probability that it will be exploited in the next 30 days. That is higher than 58% of all scored CVEs.

How severe is CVE-2021-32694?

CVE-2021-32694 has a CVSS v3 base score of 4.1, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-32694 affect?

Published advisories record a fix for nextcloud (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.