CVE-2018-16464: nextcloud nextcloud_server Improper Authentication
CVSS: 5.7v3.0MediumModified
Published 30-10-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-16464 is a medium (CVSS 5.7) Improper Authentication vulnerability in nextcloud nextcloud_server. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 58.7% of scored vulnerabilities.
CVSS score
5.7/10
010
Medium · v3.0 (NVD)EPSS score
0.89%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A missing access check in Nextcloud Server prior to 14.0.0 could lead to continued access to password protected link shares when the owner had changed the password.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.7Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/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
0.89%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.89% on 19-09-2026
19-09-202619-10-2026
EPSS score0.89%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nextcloud1 product
- nextcloud_server< 14.0.0
1 vendor · 1 product