Critical severity · published Jun 8, 2020
CVE-2020-8180
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
9.9
CVSS
1.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TA
Talk · Nextcloud
before 6.0.5; 7.0.0 before 7.0.3; 8.0.0 before 8.0.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8180
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8180
Exploit
https://hackerone.com/reports/851807
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-021
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