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EUVD-2021-30704

🗓️ 03 Oct 2025 20:07:09Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 25 Views

Envoy edge proxy crashes with crafted CONNECT request to JWT filter, causing denial of service attack.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2021-43824
23 Feb 202202:12
–circl
cnnvd
CNNVD
Envoy code-related vulnerabilities
22 Feb 202200:00
–cnnvd
cve
CVE
CVE-2021-43824
22 Feb 202222:15
–cve
cvelist
Cvelist
CVE-2021-43824 Null pointer dereference in envoy
22 Feb 202222:15
–cvelist
hashicorp
HashiCorp Security Advisories
Consul’s Connect Service Mesh Affected By Recent Envoy Security Releases
1 Mar 202200:15
–hashicorp
mend
Mend
CVE-2021-43824
22 Feb 202222:15
–mend
nvd
NVD
CVE-2021-43824
22 Feb 202223:15
–nvd
osv_bit
osv_bit
BIT-ENVOY-2021-43824 Null pointer dereference in envoy
6 Mar 202410:56
–osv_bit
osv_cve
osv_cve
CVE-2021-43824
22 Feb 202223:15
–osv_cve
osv_rhsa
osv_rhsa
RHSA-2022:1275 Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.1.2 security update
16 Sep 202407:28
–osv_rhsa
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "59fb1033-ad0a-38e3-b642-2b78a6abbdec",
        "vendor": {
          "name": "envoyproxy"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "061e9718-8810-3c3e-be9d-fb6d63111021",
        "product": {
          "name": "envoy"
        },
        "product_version": "1.21.0, < 1.21.1"
      },
      {
        "id": "a5cbe0d3-d56b-3312-9b01-d52c09852bca",
        "product": {
          "name": "envoy"
        },
        "product_version": "1.19.0, < 1.19.3"
      },
      {
        "id": "f4e3ff2b-a027-342d-b123-85a15489fb29",
        "product": {
          "name": "envoy"
        },
        "product_version": "1.20.0, < 1.20.2"
      },
      {
        "id": "fb2094a8-341a-3bac-8754-04a1d6b63b64",
        "product": {
          "name": "envoy"
        },
        "product_version": "< 1.18.6"
      }
    ]
  }
]

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03 Oct 2025 20:07Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
CVSS 24.3
EPSS0.01062
SSVC
25