CVE-2017-0894

low-risk
Published 2017-05-08

Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.

Do I need to act?

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0.79% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Nextcloud

References (4)

Third Party Advisory https://hackerone.com/reports/218876
Broken Link https://nextcloud.com/security/advisory/?id=nc-sa-2017-011
Third Party Advisory https://hackerone.com/reports/218876
Broken Link https://nextcloud.com/security/advisory/?id=nc-sa-2017-011
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal