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CVE-2021-41180

22
FAUCET Score

CVE-2021-41180 is an open-redirect vulnerability affecting Nextcloud Talk versions prior to 12.1.2, specifically impacting the Android Talk client. An attacker could manipulate a geolocation preview link due to insufficient validation, leading to a redirect if a user interacts with the malicious link. Rated as MEDIUM severity (CVSS 6.1), it requires user interaction and has a low impact on confidentiality and integrity. There is no evidence of active exploitation, no public exploit code, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.1.2CPE matchmatch criteria
cpe:2.3:a:nextcloud:talk:*:*:*:*:*:android:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 72nd percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / nextcloud/security-advisories/security/advisories/GHSA-4fxr-mrw2-cq92
Issue TrackingThird Party Advisory
github.com / nextcloud/spreed/pull/6239
PatchThird Party Advisory
hackerone.com / reports/1337178
ExploitPatchThird Party Advisory