CVE-2017-0895: nextcloud nextcloud_server Improper Authorization
CVSS: 3.5v3.0LowModified
Published 08-05-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-0895 is a low (CVSS 3.5) Improper Authorization vulnerability in nextcloud nextcloud_server. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53.2% of scored vulnerabilities.
CVSS score
3.5/10
010
Low · v3.0 (NVD)EPSS score
0.72%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-05-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Nextcloud Server before 10.0.4 and 11.0.2 are vulnerable to disclosure of calendar and addressbook names to other logged-in users. Note that no actual content of the calendar and addressbook has been disclosed.
CVSS metrics
2 scores · 1 source · 2 versionsLow 3.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:NSourcesSingle source
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.72%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.72% on 20-09-2026
20-09-202620-10-2026
EPSS score0.72%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected systems
Nextcloud1 product
- nextcloud_server< 10.0.4 and 11.0.2 | ≥ 10.0.0, < 10.0.4 | ≥ 11.0.0, < 11.0.2
1 vendor · 1 product