What’s Vulnerable › Vulnerabilities

CVE-2021-45856

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-10 · updated 2026-06-17
• Weakness: CWE-120

Description

Accu-Time Systems MAXIMUS 1.0 telnet service suffers from a remote buffer overflow which causes the telnet service to crash

Affected products

• Accu-Time Maximus Firmware: 1.0

References

• https://packetstormsecurity.com/files/165392/Accu-Time-Systems-MAXIMUS-1.0-Buffer-Overflow-Denial-Of-Service.html
• https://packetstormsecurity.com/files/165392/Accu-Time-Systems-MAXIMUS-1.0-Buffer-Overflow-Denial-Of-Service.html

Get alerted when CVE-2021-45856 or the next vulnerability affects your stack