GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2020-28366 (GCVE-0-2020-28366)

Vulnerability from cvelistv5 – Published: 2020-11-18 00:00 – Updated: 2024-08-04 16:33
VLAI
Title
Arbitrary code execution in go command with cgo in cmd/go and cmd/cgo
Summary
Code injection in the go command with cgo before Go 1.14.12 and Go 1.15.5 allows arbitrary code execution at build time via a malicious unquoted symbol name in a linked object file.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version CPE status
Go toolchain cmd/go Affected: 0 , < 1.14.12 (semver)
Affected: 1.15.0-0 , < 1.15.5 (semver)
guessed Create a notification for this product.
Go toolchain cmd/cgo Affected: 0 , < 1.14.12 (semver)
Affected: 1.15.0-0 , < 1.15.5 (semver)
guessed Create a notification for this product.
Credits
Chris Brown (Tempus Ex)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:33:58.955Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/cl/269658"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.googlesource.com/go/+/062e0e5ce6df339dc26732438ad771f73dbf2292"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/issue/42559"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/golang-announce/c/NpBGTTmKzpM"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://pkg.go.dev/vuln/GO-2022-0475"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "cmd/go",
          "product": "cmd/go",
          "programRoutines": [
            {
              "name": "Builder.cgo"
            }
          ],
          "vendor": "Go toolchain",
          "versions": [
            {
              "lessThan": "1.14.12",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.15.5",
              "status": "affected",
              "version": "1.15.0-0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "cmd/cgo",
          "product": "cmd/cgo",
          "programRoutines": [
            {
              "name": "dynimport"
            }
          ],
          "vendor": "Go toolchain",
          "versions": [
            {
              "lessThan": "1.14.12",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.15.5",
              "status": "affected",
              "version": "1.15.0-0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Chris Brown (Tempus Ex)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Code injection in the go command with cgo before Go 1.14.12 and Go 1.15.5 allows arbitrary code execution at build time via a malicious unquoted symbol name in a linked object file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-12T19:04:21.017Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/cl/269658"
        },
        {
          "url": "https://go.googlesource.com/go/+/062e0e5ce6df339dc26732438ad771f73dbf2292"
        },
        {
          "url": "https://go.dev/issue/42559"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/NpBGTTmKzpM"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2022-0475"
        }
      ],
      "title": "Arbitrary code execution in go command with cgo in cmd/go and cmd/cgo"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2020-28366",
    "datePublished": "2020-11-18T00:00:00.000Z",
    "dateReserved": "2020-11-09T00:00:00.000Z",
    "dateUpdated": "2024-08-04T16:33:58.955Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-28366",
      "date": "2026-09-16",
      "epss": "0.02342",
      "percentile": "0.82769"
    },
    "microsoft_vex": {
      "current_release_date": "2024-06-30T07:00:00.000Z",
      "cve": "CVE-2020-28366",
      "id": "msrc_CVE-2020-28366",
      "initial_release_date": "2020-11-02T00:00:00.000Z",
      "product_status:fixed": "3",
      "product_status:known_affected": "3",
      "product_status:known_not_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Arbitrary code execution in go command with cgo in cmd/go and cmd/cgo",
      "url": "https://msrc.microsoft.com/csaf/vex/2020/msrc_cve-2020-28366.json",
      "version": "2"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-28366\",\"sourceIdentifier\":\"security@golang.org\",\"published\":\"2020-11-18T17:15:11.993\",\"lastModified\":\"2024-11-21T05:22:40.197\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Code injection in the go command with cgo before Go 1.14.12 and Go 1.15.5 allows arbitrary code execution at build time via a malicious unquoted symbol name in a linked object file.\"},{\"lang\":\"es\",\"value\":\"Go versiones anteriores a 1.14.12 y versiones 1.15.x anteriores a 1.15.5, permite una Inyecci\u00f3n de C\u00f3digo\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:N/C:P/I:P/A:P\",\"baseScore\":5.1,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":4.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.14.12\",\"matchCriteriaId\":\"A2175A10-2BF6-430A-A90E-C3957B4FF493\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.15\",\"versionEndExcluding\":\"1.15.5\",\"matchCriteriaId\":\"0D85EBF5-35FF-4F02-87AB-16FF644D11F3\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36D96259-24BD-44E2-96D9-78CE1D41F956\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:cloud_insights_telegraf_agent:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5DAE7369-EEC5-405E-9D13-858335FDA647\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:trident:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5D9A34F5-AC03-4098-A37D-AD50727DDB11\"}]}]}],\"references\":[{\"url\":\"https://go.dev/cl/269658\",\"source\":\"security@golang.org\"},{\"url\":\"https://go.dev/issue/42559\",\"source\":\"security@golang.org\"},{\"url\":\"https://go.googlesource.com/go/+/062e0e5ce6df339dc26732438ad771f73dbf2292\",\"source\":\"security@golang.org\"},{\"url\":\"https://groups.google.com/g/golang-announce/c/NpBGTTmKzpM\",\"source\":\"security@golang.org\"},{\"url\":\"https://pkg.go.dev/vuln/GO-2022-0475\",\"source\":\"security@golang.org\"},{\"url\":\"https://go.dev/cl/269658\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://go.dev/issue/42559\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://go.googlesource.com/go/+/062e0e5ce6df339dc26732438ad771f73dbf2292\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://groups.google.com/g/golang-announce/c/NpBGTTmKzpM\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://pkg.go.dev/vuln/GO-2022-0475\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:58:05+00:00",
      "cve": "CVE-2020-28366",
      "id": "CVE-2020-28366",
      "initial_release_date": "2020-11-12T00:00:00+00:00",
      "product_status:fixed": "91",
      "product_status:known_affected": "62",
      "product_status:known_not_affected": "75",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "golang: malicious symbol names can lead to code execution at build time",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-28366.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.