Security advisory

{
  "id": "645484e820a1d202d6c927acfd11f840915e1582c6a7fd8f45b8d8cce48bb1a8",
  "url": "https://osv.dev/vulnerability/CVE-2021-3557",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-3557",
    "summary": "A flaw was found in argocd. Any unprivileged user is able to deploy argocd in their namespace and with the created ServiceAccount argocd-argocd-server, the unprivileged user is able to read all resources of the cluster including all secrets which might enable privilege escalations. The highest threat from this vulnerability is to data confidentiality.",
    "evidence": "osv:CVE-2021-3557",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-3557",
      "aliases": [
        "CVE-2021-3557"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/argoproj/argo-cd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8544bef56b8bee19e73a71b2d10ccd64156dd72c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.1.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.1.0",
            "v1.1.0-rc8",
            "v1.1.0-rc7",
            "v1.1.0-rc6",
            "v1.1.0-rc5",
            "v1.1.0-rc4",
            "v1.1.0-rc3",
            "v1.1.0-rc2",
            "v1.1.0-rc1",
            "v0.8.0",
            "v0.7.1",
            "v0.7.0",
            "v0.6.1",
            "v0.6.0",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.5",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.4.0-alpha1",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3557.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:40.866182297Z",
      "provider": "osv",
      "references": [
        "https://bugzilla.redhat.com/show_bug.cgi?id=1961929"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:redhat:openshift_gitops:1.1:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:openshift_gitops",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.1"
                  },
                  {
                    "last_affected": "1.1"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-3557",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 435028,
  "published_at": "2022-02-16T17:15:11.177+00:00"
}