Vulnerability Details : 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 category: OverflowMemory Corruption
Products affected by CVE-2020-10823
- cpe:2.3:o:draytek:vigor300b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:draytek:vigor3900_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-10823
3.59%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-10823
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-10823
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-10823
-
https://slashd.ga/2020/03/draytek-vulnerabilities/
Draytek Vulnerabilities - slashd.gaExploit;Third Party Advisory
-
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability/
Vigor3900 / Vigor2960 / Vigor300B Stack-based buffer overflow Vulnerability (CVE-2020-10823 ~ CVE-2020-10828) | DrayTek
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