KEV Entry

CVE-2023-28771

Known Exploited Vulnerability Entry External Catalog

Back to Catalog View Vulnerability
Entry Details
Confirmed Exploited

CVE-2023-28771

2026-06-29 00:00 UTC

Characteristics

98.0

Timestamps

2023-10-13

2023-10-13

2026-06-29

Scope

Affected: Zyxel | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-06-29: 15

References
  • {'id': 'CVE-2023-28771', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-28771'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

d7bb84a0-13cf-450a-b125-a07a03bb2f24

c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-06-30 09:24 UTC

2026-06-30 15:51 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
honeypot shadowserver in_the_wild_attempts 0.70
View details 
{
  "1d": "3",
  "30d_avg": 0,
  "7d_avg": 0,
  "90d_avg": 0,
  "cisa_kev": "yes",
  "class": null,
  "connections": 15,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "no",
  "observation_date": "2026-06-29",
  "product": "",
  "type": "ikev2-scan",
  "vendor": "Zyxel",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 9.8,
  "vulnerability_severity": "Critical"
}
 -
Export Options
JSON Object JSON API View Full Catalog