CVE-2020-14993
Last modified
CVE-2020-14993 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi.. EPSS estimates a 5.33% chance of exploitation in the next 30 days.
Description
A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Draytek | Vigor300b Firmware | < 1.5.1.1 |
| Draytek | Vigor2960 Firmware | < 1.5.1.1 |
| Draytek | Vigor3900 Firmware | < 1.5.1.1 |
References
- https://github.com/dexterone/Vigor-pocExploit, Third Party Advisory
- https://www.draytek.com/about/security-advisoryVendor Advisory
- https://github.com/dexterone/Vigor-pocExploit, Third Party Advisory
- https://www.draytek.com/about/security-advisoryVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-14993?
How severe is CVE-2020-14993?
How do I fix CVE-2020-14993?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-14983The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doe…9.8
- CVE-2020-14987An issue was discovered in Bloomreach Experience Manager (br…7.2
- CVE-2020-14988An issue was discovered in Bloomreach Experience Manager (br…5.4
- CVE-2020-14989An issue was discovered in Bloomreach Experience Manager (br…6.5
- CVE-2020-1499A spoofing vulnerability exists when Microsoft SharePoint Se…5.4
- CVE-2020-14990IOBit Advanced SystemCare Free 13.5.0.263 allows local users…7.1
- CVE-2020-14999A logic bug in system monitoring driver of Acronis Agent aft…7.5
- CVE-2020-1500A spoofing vulnerability exists when Microsoft SharePoint Se…5.4
- CVE-2020-15000A PIN management problem was discovered on Yubico YubiKey 5 …5.9
- CVE-2020-15001An information leak was discovered on Yubico YubiKey 5 NFC d…5.3
- CVE-2020-15002OX App Suite through 7.10.3 allows SSRF via the the /ajax/me…5
- CVE-2020-15003OX App Suite through 7.10.3 allows Information Exposure beca…4.3
Are you affected by CVE-2020-14993?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST