CVE-2020-8180: nextcloud talk Code Injection
CVSS: 9.9v3.1CriticalModified
Published 08-06-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-8180 is a critical (CVSS 9.9) Code Injection vulnerability in nextcloud talk. EPSS estimates a 1.67% chance of exploitation in the next 30 days, higher than 76.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.9/10
010
Critical · v3.1 (NVD)EPSS score
1.67%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 08-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.9Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HSourcesSingle source
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.67%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.67% on 20-09-2026
20-09-202620-10-2026
EPSS score1.67%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Nextcloud1 product
- talk< 6.0.5 | ≥ 7.0.0, < 7.0.3 | ≥ 8.0.0, < 8.0.8
1 vendor · 1 product