CVE-2001-1291 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 8.9% (pctl 95)
Patch early
A public exploit exists.
Description
The telnet server for 3Com hardware such as PS40 SuperStack II does not delay or disconnect remote attackers who provide an incorrect username or password, which makes it easier to break into the server via brute force password guessing.
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 | 8.9% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-307 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2001-07-12 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| 3com | superstack ii ps hub 40 |
| 3com | superstack ii ps hub 40 firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | 3Com SuperStack II PS Hub 40 - TelnetD Weak Password Protection | 2001-07-12 |
References
→ the Explorer · watch your stack · NVD