CVE-2020-29390
9.8
CRITICAL · CVSS 3.1 · EPSS 39.6% (pctl 99)
Patch early
EPSS 39.6% — above the 10% action threshold.
Description
Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet StartSessionSubmit parameter that could allow an unauthenticated attacker to execute a system command by using shell metacharacters and the %0a character.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 39.57% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-11-30 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| zeroshell | zeroshell |
References
→ the Explorer · watch your stack · NVD