Vulnerability-Lookup

CVE-2021-31607 (GCVE-0-2021-31607)

Vulnerability from cvelistv5 – Published: 2021-04-23 00:00 – Updated: 2024-08-03 23:03

Summary

In SaltStack Salt 2016.9 through 3002.6, a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. The attack requires that a file is created with a pathname that is backed up by snapper, and that the master calls the snapper.diff function (which executes popen unsafely).

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

Assigner

mitre mitre root

References

8 references

URL	Tags
https://sec.stealthcopter.com/saltstack-snapper-m…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.debian.org/debian-lts-announce/2021…	mailing-list
https://www.debian.org/security/2021/dsa-5011	vendor-advisory
https://security.gentoo.org/glsa/202310-22	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:03:33.642Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
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            "url": "https://sec.stealthcopter.com/saltstack-snapper-minion-privledge-escaltion/"
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            "tags": [
              "vendor-advisory",
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            ],
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        }
      ],
      "problemTypes": [
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        },
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          "name": "FEDORA-2021-158e9c6eb9",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/"
        },
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        },
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          "tags": [
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          ],
          "url": "https://www.debian.org/security/2021/dsa-5011"
        },
        {
          "name": "GLSA-202310-22",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202310-22"
        }
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    }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-31607",
    "datePublished": "2021-04-23T00:00:00.000Z",
    "dateReserved": "2021-04-23T00:00:00.000Z",
    "dateUpdated": "2024-08-03T23:03:33.642Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-31607",
      "date": "2026-09-13",
      "epss": "0.05922",
      "percentile": "0.92824"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-31607\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-04-23T06:15:07.893\",\"lastModified\":\"2024-11-21T06:05:59.270\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In SaltStack Salt 2016.9 through 3002.6, a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. 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Advisory\"]},{\"url\":\"https://sec.stealthcopter.com/saltstack-snapper-minion-privledge-escaltion/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202310-22\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-5011\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDKMAJXYFHM4USVX3H5V2GCCBGASWUSM/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://sec.stealthcopter.com/saltstack-snapper-minion-privledge-escaltion/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202310-22\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-5011\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T16:15:29+00:00",
      "cve": "CVE-2021-31607",
      "id": "CVE-2021-31607",
      "initial_release_date": "2021-04-23T00:00:00+00:00",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "salt: Command injection in the snapper module",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-31607.json",
      "version": "3"
    }
  }
}

SUSE-SU-2021:14753-1

Vulnerability from csaf_suse - Published: 2021-06-21 17:19 - Updated: 2021-06-21 17:19

Summary

Security update for SUSE Manager Client Tools

Severity

Important

Scope

1 vulnerability in this advisory, including CVE-2021-31607.

CVE-2021-31607

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 368 products

Open the full advisory

SUSE-SU-2021:1951-1

Vulnerability from csaf_suse - Published: 2021-06-10 14:06 - Updated: 2021-06-10 14:06

Summary

Security update for salt

Severity

Important

Scope

1 vulnerability in this advisory, including CVE-2021-31607.

CVE-2021-31607

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 51 products

Open the full advisory

SUSE-SU-2021:2098-1

Vulnerability from csaf_suse - Published: 2021-06-21 17:18 - Updated: 2021-06-21 17:18

Summary

Security update for SUSE Manager Server 4.1

Severity

Moderate

Scope

2 vulnerabilities in this advisory, including CVE-2021-31607.

CVE-2021-31607

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 66 products

Open the full advisory

SUSE-SU-2021:2102-1

Vulnerability from csaf_suse - Published: 2021-06-21 17:20 - Updated: 2021-06-21 17:20

Summary

Security update for Salt

Severity

Important

Scope

1 vulnerability in this advisory, including CVE-2021-31607.

CVE-2021-31607

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 55 products

Open the full advisory

SUSE-SU-2021:2104-1

Vulnerability from csaf_suse - Published: 2021-06-21 17:24 - Updated: 2021-06-21 17:24

Summary

Security update for Salt

Severity

Critical

Scope

2 vulnerabilities in this advisory, including CVE-2021-31607.

CVE-2021-31607

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 132 products

Open the full advisory

SUSE-SU-2021:2105-1

Vulnerability from csaf_suse - Published: 2021-06-21 17:25 - Updated: 2021-06-21 17:25

Summary

Security update for salt

Severity

Critical

Scope

7 vulnerabilities in this advisory, including CVE-2021-31607.

CVE-2021-31607

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 243 products

Open the full advisory

SUSE-SU-2021:2106-1

Vulnerability from csaf_suse - Published: 2021-06-21 17:26 - Updated: 2021-06-21 17:26

Summary

Security update for salt

Severity

Critical

Scope

7 vulnerabilities in this advisory, including CVE-2021-31607.

CVE-2021-31607

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 64 products

Open the full advisory

SUSE-SU-2021:2114-1

Vulnerability from csaf_suse - Published: 2021-06-21 17:32 - Updated: 2021-06-21 17:32

Summary

Security update for SUSE Manager Server 4.0

Severity

Moderate

Scope

2 vulnerabilities in this advisory, including CVE-2021-31607.

CVE-2021-31607

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 50 products

Open the full advisory

ubuntu-cve-2021-31607

Vulnerability from osv_ubuntu

Published

2021-04-23 06:15

Modified

2026-04-02 04:52

Summary

Details

Severity

7.8 (High)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-31607	REPORT
	https://sec.stealthcopter.com/saltstack-snapper-m…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-31607	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "salt-api",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
          },
          {
            "binary_name": "salt-cloud",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
          },
          {
            "binary_name": "salt-common",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
          },
          {
            "binary_name": "salt-master",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
          },
          {
            "binary_name": "salt-minion",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
          },
          {
            "binary_name": "salt-proxy",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
          },
          {
            "binary_name": "salt-ssh",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
          },
          {
            "binary_name": "salt-syndic",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "salt",
        "purl": "pkg:deb/ubuntu/salt@2017.7.4+dfsg1-1ubuntu18.04.2+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2016.11.5+ds-1",
        "2016.11.8+dfsg1-1",
        "2017.7.2+dfsg1-2ubuntu1",
        "2017.7.3+dfsg1-1",
        "2017.7.4+dfsg1-1",
        "2017.7.4+dfsg1-1ubuntu18.04.1",
        "2017.7.4+dfsg1-1ubuntu18.04.2",
        "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "In SaltStack Salt 2016.9 through 3002.6, a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. The attack requires that a file is created with a pathname that is backed up by snapper, and that the master calls the snapper.diff function (which executes popen unsafely).",
  "id": "UBUNTU-CVE-2021-31607",
  "modified": "2026-04-02T04:52:29Z",
  "published": "2021-04-23T06:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-31607"
    },
    {
      "type": "REPORT",
      "url": "https://sec.stealthcopter.com/saltstack-snapper-minion-privledge-escaltion/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31607"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-31607"
  ]
}

WID-SEC-W-2023-2844

Vulnerability from csaf_certbund - Published: 2021-04-22 22:00 - Updated: 2023-11-06 23:00

Summary

SaltStack Salt: Schwachstelle ermöglicht Privilegieneskalation

Severity

Hoch

Scope

1 vulnerability in this advisory, including CVE-2021-31607.

CVE-2021-31607

Es existiert eine Schwachstelle in SaltStack Salt, welche in der "Snapper"-Komponente besteht. Mithilfe von speziellen Dateinamen kann die Schwachstelle ausnutzt werden. Ein entfernter, authentisierter Angreifer, der Dateien erzeugen kann, kann diese Schwachstelle ausnutzen, um die Privilegien eines "Minions" zu erweitern.

Known affected: 3 products Last affected: 1 product

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2021-31607 (GCVE-0-2021-31607)

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature