CVE-2020-8138
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Forgery (SSRF) vulnerability when subscribing to a malicious calendar URL.
Una falta de comprobación de IPv4 anidado dentro de IPv6 en el servidor Nextcloud versiones anteriores a 17.0.1, versiones anteriores a 16.0.7 y versiones anteriores a 15.0.14, permitió una vulnerabilidad de tipo Server-Side Request Forgery (SSRF) cuando se suscribe en una URL de calendario maliciosa.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-01-28 CVE Reserved
- 2020-03-20 CVE Published
- 2023-07-24 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-918: Server-Side Request Forgery (SSRF)
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://nextcloud.com/security/advisory/?id=NC-SA-2020-014 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://hackerone.com/reports/736867 | 2024-08-04 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Nextcloud Search vendor "Nextcloud" | Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server" | < 15.0.14 Search vendor "Nextcloud" for product "Nextcloud Server" and version " < 15.0.14" | - |
Affected
| ||||||
| Nextcloud Search vendor "Nextcloud" | Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server" | >= 16.0.0 < 16.0.7 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 16.0.0 < 16.0.7" | - |
Affected
| ||||||
| Nextcloud Search vendor "Nextcloud" | Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server" | >= 17.0.0 < 17.0.2 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 17.0.0 < 17.0.2" | - |
Affected
| ||||||