CVE-2020-8183: nextcloud nextcloud_server Plaintext Storage of a Password
CVSS: 7.5v3.1HighModified
Published 30-10-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-8183 is a high (CVSS 7.5) Plaintext Storage of a Password vulnerability in nextcloud nextcloud_server. EPSS estimates a 1.91% chance of exploitation in the next 30 days, higher than 79.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.91%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 30-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A logic error in Nextcloud Server 19.0.0 caused a plaintext storage of the share password when it was given on the initial create API call.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.91%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.91% on 19-09-2026
19-09-202619-10-2026
EPSS score1.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-256Plaintext Storage of a PasswordThe product stores a password in plaintext within resources such as memory or files.
- CWE-522Insufficiently Protected CredentialsThe product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Affected systems
Nextcloud1 product
- nextcloud_server< 18.0.6 | ≥ 19.0.0, < 19.0.1
1 vendor · 1 product