CVE-2018-3776: hackerone nextcloud server Improper Input Validation
CVSS: 5.3v3.1MediumModified
Published 12-08-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-3776 is a medium (CVSS 5.3) Improper Input Validation vulnerability in hackerone nextcloud server. EPSS estimates a 1.26% chance of exploitation in the next 30 days, higher than 69.2% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
1.26%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could lead to an attacker's actions not being logged in the audit log.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.26%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.26% on 19-09-2026
19-09-202619-10-2026
EPSS score1.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-532Insertion of Sensitive Information into Log FileThe product writes sensitive information to a log file.
Affected systems
Hackerone1 product
- nextcloud server< 12.0.3 <11.0.5
Nextcloud1 product
- nextcloud_server≥ 11.0.0, < 11.0.5 | ≥ 12.0.0, < 12.0.3
2 vendors · 2 products