CVE-2021-25282

CRITICALNVD 9.19.1—Weaponized

9.1

An issue was discovered in through SaltStack Salt before 3002.5. The salt.wheel.pillar_roots.write method is vulnerable to directory traversal.

CVSS v3: 9.1
EG Score: 9.1(high)
EPSS: 99.7%
KEV: Not listed

Published

February 27, 2021

Last Modified

November 21, 2024

References (22)

cve@mitrehttp://packetstormsecurity.com/files/162058/SaltStack-Salt-API-Unauthenticated-Remote-Command-Execution.html
cve@mitrehttps://github.com/saltstack/salt/releases
cve@mitrehttps://lists.debian.org/debian-lts-announce/2021/11/msg00009.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2022/01/msg00000.html
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5/
cve@mitrehttps://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/
cve@mitrehttps://security.gentoo.org/glsa/202103-01
cve@mitrehttps://security.gentoo.org/glsa/202310-22
cve@mitrehttps://www.debian.org/security/2021/dsa-5011
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/162058/SaltStack-Salt-API-Unauthenticated-Remote-Command-Execution.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/saltstack/salt/releases
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/01/msg00000.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	salt-syndic (2015.8.8+ds-1ubuntu0.1+esm2) @ xenial	2026-05-26	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
salt	0.8.7 ... 3002.4 (159 versions)	3002.5	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-22Path Traversal

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

UbuntuUSN-6948-1MEDIUM
Salt vulnerabilities

Data Freshness Timeline

(refreshed 3× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 20:18 UTCEG score recompute
2026-05-26 20:18 UTCVendor advisory
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Metasploitexploit/linux/http/saltstack_salt_wheel_async_rce✓ verified
First seen Feb 25, 2021
SaltStack Salt API Unauthenticated RCE through wheel_async client
Open source ↗

Frequently asked(5)

What is CVE-2021-25282?

CVE-2021-25282 is a critical vulnerability published on February 27, 2021. An issue was discovered in through SaltStack Salt before 3002.5. The salt.wheel.pillar_roots.write method is vulnerable to directory traversal.

When was CVE-2021-25282 disclosed?

CVE-2021-25282 was first published in the National Vulnerability Database on February 27, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-25282 actively exploited?

CVE-2021-25282 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-25282?

CVE-2021-25282 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2021-25282?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25282, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-25282

Published

Last Modified

References (22)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-25282?

Same vendor

Same CWE

CVE-2021-25282

📅 Published

🔄 Last Modified

🔗 References (22)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-25282?

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References (22)

Frequently asked(5)

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