Buffer overflow in Draytek Vigor2960
CVE-2020-10823
A stack-based buffer overflow in /cgi-bin/activate.cgi through var parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 1 of 3).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.044 (91.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000
Affected products
Weakness classification (CWE)
References
- slashd.ga/2020/03/draytek-vulnerabilities/ (Exploit, Third Party Advisory)
- www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack…
Frequently asked questions
- What is CVE-2020-10823?
- CVE-2020-10823 is a critical-severity vulnerability in Draytek Vigor2960, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-03-26.
- How severe is CVE-2020-10823?
- Critical severity. CVSS v3 base score is 9.8 out of 10.