CVE catalog

CVE-2021-25281

UBUNTU-

[CVE catalog]

It was discovered that Salt incorrectly handled crafted web requests. A remote attacker could possibly use this issue to run arbitrary commands. (CVE-2020-16846) It was discovered that Salt incorrectly created certificates with weak file permissions. (CVE-2020-17490) It was discovered that Salt incorrectly handled credential validation. A remote attacker could possibly use this issue to bypass authentication. (CVE-2020-25592) It was discovered that Salt incorrectly handled crafted process names. An attacker could possibly use this issue to run arbitrary commands. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-28243) It was discovered that Salt incorrectly handled validation of SSL/TLS certificates. A remote attacker could possibly use this issue to spoof a trusted entity. (CVE-2020-28972, CVE-2020-35662) It was discovered that Salt incorrectly handled credential validation. A remote attacker could possibly use this issue to run arbitrary code. (CVE-2021-25281) It was discovered that Salt incorrectly handled crafted paths. A remote attacker could possibly use this issue to perform directory traversal. (CVE-2021-25282) It was discovered that Salt incorrectly handled template rendering. A remote attacker could possibly this issue to run arbitrary code. (CVE-2021-25283) It was discovered that Salt incorrectly handled logging. An attacker could possibly use this issue to discover credentials. This issue only affected Ubuntu 18.04 LTS. (CVE-2021-25284) It was discovered that Salt incorrectly handled crafted web requests. A remote attacker could possibly use this issue to run arbitrary commands. This issue only affected Ubuntu 18.04 LTS. (CVE-2021-3148) It was discovered that Salt incorrectly handled input sanitization. A remote attacker could possibly use this issue to run arbitrary commands. (CVE-2021-3197)

Severity
Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
Updated
Source
[NVD] · [CVE record]
EPSS
73.13% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / releasePackageVersionStatusSource
Ubuntuprosalt2015.5.3+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.1+ds-2UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.3+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.3+ds-2UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.3+ds-3UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.5+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.7+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1ubuntu0.1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1ubuntu0.1+esm1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1ubuntu0.1+esm2UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1ubuntu0.1~esm1UnknownSource applicability is not established[USN-6948-1]

Showing 12 observations. All 20 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
Ubuntuprosalt2015.5.3+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.1+ds-2UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.3+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.3+ds-2UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.3+ds-3UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.5+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.7+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1ubuntu0.1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1ubuntu0.1+esm1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1ubuntu0.1+esm2UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2015.8.8+ds-1ubuntu0.1~esm1UnknownSource applicability is not established[USN-6948-1]
Ubuntuprosalt2016.11.5+ds-1UnknownSource applicability is not established[USN-6948-1][UBUNTU-CVE-2021-25281]
Ubuntuprosalt2016.11.8+dfsg1-1UnknownSource applicability is not established[USN-6948-1][UBUNTU-CVE-2021-25281]
Ubuntuprosalt2017.7.2+dfsg1-2ubuntu1UnknownSource applicability is not established[USN-6948-1][UBUNTU-CVE-2021-25281]
Ubuntuprosalt2017.7.3+dfsg1-1UnknownSource applicability is not established[USN-6948-1][UBUNTU-CVE-2021-25281]
Ubuntuprosalt2017.7.4+dfsg1-1UnknownSource applicability is not established[USN-6948-1][UBUNTU-CVE-2021-25281]
Ubuntuprosalt2017.7.4+dfsg1-1ubuntu18.04.1UnknownSource applicability is not established[USN-6948-1][UBUNTU-CVE-2021-25281]
Ubuntuprosalt2017.7.4+dfsg1-1ubuntu18.04.2UnknownSource applicability is not established[USN-6948-1][UBUNTU-CVE-2021-25281]
Ubuntuprosalt2017.7.4+dfsg1-1ubuntu18.04.2+esm1UnknownSource applicability is not established[USN-6948-1][UBUNTU-CVE-2021-25281]
Original provider fields
{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "salt",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2015.8.8+ds-1ubuntu0.1+esm2"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "2015.5.3+ds-1",
        "2015.8.1+ds-2",
        "2015.8.3+ds-1",
        "2015.8.3+ds-2",
        "2015.8.3+ds-3",
        "2015.8.5+ds-1",
        "2015.8.7+ds-1",
        "2015.8.8+ds-1",
        "2015.8.8+ds-1ubuntu0.1~esm1",
        "2015.8.8+ds-1ubuntu0.1",
        "2015.8.8+ds-1ubuntu0.1+esm1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/USN-6948-1",
      "fixed_version": "2015.8.8+ds-1ubuntu0.1+esm2",
      "provider_source": "pypi",
      "provider_record_id": "USN-6948-1",
      "provider_updated_at": "2026-06-25T13:32:28.878918772Z",
      "applicability_unknown": true
    },
    {
      "name": "salt",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "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"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/USN-6948-1",
      "fixed_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1",
      "provider_source": "pypi",
      "provider_record_id": "USN-6948-1",
      "provider_updated_at": "2026-06-25T13:32:28.878918772Z",
      "applicability_unknown": true
    },
    {
      "name": "salt",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "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"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-25281",
      "fixed_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2021-25281",
      "provider_updated_at": "2026-04-08T13:39:57.744375Z",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed:

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]