CVE-2017-6416
A buffer overflow vulnerability in SMTP connection verification leads to arbitrary code execution.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue was discovered in SysGauge 1.5.18. A buffer overflow vulnerability in SMTP connection verification leads to arbitrary code execution. The attack vector is a crafted SMTP daemon that sends a long 220 (aka "Service ready") string.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 10.77% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- flexense/sysgauge
- Source
- cve@mitre.org
EPSS moved from 9.5% on 21 September 2026 to 10.8% on 27 October 2026, peaking at 10.9% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.