CVE-2021-1566

🗓️ 16 Jun 2021 17:45:41Reported by ciscoType

cve🔗 web.nvd.nist.gov📰️ 5 Media mentions👁 90 Views

Vulnerability in Cisco AMP for Endpoints allows remote interception of traffic

Reporter	Title	Published	Views	Family All 14
attackerkb	CVE-2021-1566	16 Jun 202116:00	–	attackerkb
BDU FSTEC	Cisco AMP Certificate Trust Chain	9 Aug 202100:00	–	bdu_fstec
Circl	CVE-2021-1566	1 Sep 202620:02	–	circl
Cisco	Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vulnerability	16 Jun 202116:00	–	cisco
CNNVD	Cisco Advanced Malware Protection 信任管理问题漏洞	16 Jun 202100:00	–	cnnvd
Cvelist	CVE-2021-1566 Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vulnerability	16 Jun 202117:45	–	cvelist
EUVD	EUVD-2021-7033	3 Oct 202520:07	–	euvd
NCSC	Vulnerability fixed in Cisco Email Security Appliance and Web Security Appliance	17 Jun 202100:00	–	ncsc
NVD	CVE-2021-1566	16 Jun 202118:15	–	nvd
Prion	Input validation	16 Jun 202118:15	–	prion

NVD

Node

AND

cisco email_security_applianceMatch-

cisco asyncosRange<12.5.3-035

Node

AND

cisco email_security_applianceMatch-

cisco asyncosRange13.0–13.0.0-030

Node

AND

cisco email_security_applianceMatch-

cisco asyncosRange13.5–13.5.3-010

Node

AND

cisco web_security_applianceMatch-

cisco asyncosRange<11.8.3-021

Node

AND

cisco web_security_applianceMatch-

cisco asyncosRange12.0.0–12.0.3-005

Node

AND

cisco web_security_applianceMatch-

cisco asyncosRange12.5.0–12.5.1-043

[
  {
    "product": "Cisco Web Security Appliance (WSA)",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

Source	Link
tools	www.tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-wsa-cert-vali-n8L97RW

17 Jun 2026 03:32Current

7.2High risk

Vulners AI Score7.2

CVSS 25.8

CVSS 3.17.4

EPSS0.0067

SSVC