CVE-2020-8515
Description
DrayTek Vigor2960 1.3.1_Beta, Vigor3900 1.4.4_Beta, and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters to the cgi-bin/mainfunction.cgi URI. This issue has been fixed in Vigor3900/2960/300B v1.5.1.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 1 more affected products View all →
Exploitability
CISA Known Exploited Vulnerability
Added to KEV:Nov 3, 2021
Remediation due:May 3, 2022
Required action: Apply updates per vendor instructions.
1 exploit source identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Execution
References
https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html
sku11army.blogspot.com
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-(cve-2020-8515)
draytek.com
http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html
packetstormsecurity.com
and 4 more references View all →
News mentions
3- DDoS-ботнет Dysphoria заразил более 200 000 устройств по всему мируru-ru·Хакер (xakep.ru)· Incident QiAnXin XLab ddos-botnet
- New Dysphoria DDoS botnet spreads to 200k devices worldwideen-us·BleepingComputer· PoC ddos-botnet
- TuxBot v3: Inside an IoT Botnet Framework With LLM-Assisted Developmenten-us·Palo Alto Unit 42· Research TuxBot v3 Evolution ddos-botnet
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