Medium severity5.3NVD Advisory· Published Jul 12, 2021· Updated Jun 17, 2026
CVE-2021-32703
CVE-2021-32703
Description
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the shareinfo endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- osv-coords6 versionspkg:rpm/opensuse/nextcloud&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/nextcloud&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/nextcloud&distro=SUSE%20Package%20Hub%2012pkg:rpm/suse/nextcloud&distro=SUSE%20Package%20Hub%2015%20SP1pkg:rpm/suse/nextcloud&distro=SUSE%20Package%20Hub%2015%20SP2pkg:rpm/suse/nextcloud&distro=SUSE%20Package%20Hub%2015%20SP3
< 20.0.11-bp153.2.3.1+ 5 more
- (no CPE)range: < 20.0.11-bp153.2.3.1
- (no CPE)range: < 20.0.11-bp153.2.3.1
- (no CPE)range: < 20.0.11-bp153.2.3.1
- (no CPE)range: < 20.0.11-bp153.2.3.1
- (no CPE)range: < 20.0.11-bp153.2.3.1
- (no CPE)range: < 20.0.11-bp153.2.3.1
- nextcloud/security-advisoriesv5Range: < 19.0.13
Patches
Vulnerability mechanics
References
6- github.com/nextcloud/server/pull/26945nvdPatchThird Party Advisory
- github.com/nextcloud/security-advisories/security/advisories/GHSA-375p-cxxq-gc9pnvdThird Party Advisory
- security.gentoo.org/glsa/202208-17nvdThird Party Advisory
- hackerone.com/reports/1173684nvdPermissions Required
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BVZS26RDME2DYTKET5AECRIZDFUGR2AZ/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J63NBVPR2AQCAWRNDOZSGRY5II4WS2CZ/nvd
News mentions
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