synced 14 MIN AGO
01 Record

CVE-2021-45856

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

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.93% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 79.8% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-01-09 18:55Z4 YR AGO
Last updated
2024-08-04 04:54Z2 YR AGO
Reserved
2021-12-27
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
906dea34cece9216d65661fb5a84699a876a57230fc2b87b5513c2a99e0a5bdd

05 Affected products

VendorProductVersionsPlatforms
accu-timemaximusNot specified—
accu-timemaximus_firmwareNot specified—

06 References