# CVE-2021-3148: salt-api: An issue was discovered in SaltStack Salt before 3002.5

CVE-2021-3148 is fixed in 8 products on 1 platform, first by salt-api 2017.7.4+dfsg1-1ubuntu18.04.2+esm1, released February 26, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-3148
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0825
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 26, 2021

## Description

An issue was discovered in SaltStack Salt before 3002.5. Sending crafted web requests to the Salt API can result in salt.utils.thin.gen_thin() command injection because of different handling of single versus double quotes. This is related to salt/utils/thin.py.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | salt-api Ubuntu 18.04.6 LTS (bionic) | 2017.7.4+dfsg1-1ubuntu18.04.2+esm1 | [salt-api 2017.7.4+dfsg1-1ubuntu18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-salt-api-2017.7.4-dfsg1-1ubuntu18.04.2-esm1.md) | Feb 26, 2021 |
| Linux | salt-cloud Ubuntu 18.04.6 LTS (bionic) | 2017.7.4+dfsg1-1ubuntu18.04.2+esm1 | [salt-cloud 2017.7.4+dfsg1-1ubuntu18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-salt-cloud-2017.7.4-dfsg1-1ubuntu18.04.2-esm1.md) | Feb 26, 2021 |
| Linux | salt-common Ubuntu 18.04.6 LTS (bionic) | 2017.7.4+dfsg1-1ubuntu18.04.2+esm1 | [salt-common 2017.7.4+dfsg1-1ubuntu18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-salt-common-2017.7.4-dfsg1-1ubuntu18.04.2-esm1.md) | Feb 26, 2021 |
| Linux | salt-master Ubuntu 18.04.6 LTS (bionic) | 2017.7.4+dfsg1-1ubuntu18.04.2+esm1 | [salt-master 2017.7.4+dfsg1-1ubuntu18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-salt-master-2017.7.4-dfsg1-1ubuntu18.04.2-esm1.md) | Feb 26, 2021 |
| Linux | salt-minion Ubuntu 18.04.6 LTS (bionic) | 2017.7.4+dfsg1-1ubuntu18.04.2+esm1 | [salt-minion 2017.7.4+dfsg1-1ubuntu18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-salt-minion-2017.7.4-dfsg1-1ubuntu18.04.2-esm1.md) | Feb 26, 2021 |
| Linux | salt-proxy Ubuntu 18.04.6 LTS (bionic) | 2017.7.4+dfsg1-1ubuntu18.04.2+esm1 | [salt-proxy 2017.7.4+dfsg1-1ubuntu18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-salt-proxy-2017.7.4-dfsg1-1ubuntu18.04.2-esm1.md) | Feb 26, 2021 |
| Linux | salt-ssh Ubuntu 18.04.6 LTS (bionic) | 2017.7.4+dfsg1-1ubuntu18.04.2+esm1 | [salt-ssh 2017.7.4+dfsg1-1ubuntu18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-salt-ssh-2017.7.4-dfsg1-1ubuntu18.04.2-esm1.md) | Feb 26, 2021 |
| Linux | salt-syndic Ubuntu 18.04.6 LTS (bionic) | 2017.7.4+dfsg1-1ubuntu18.04.2+esm1 | [salt-syndic 2017.7.4+dfsg1-1ubuntu18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-salt-syndic-2017.7.4-dfsg1-1ubuntu18.04.2-esm1.md) | Feb 26, 2021 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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