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NVD / CVE Program· CNA mitre

CVE-2021-25283: An issue was discovered in through SaltStack Salt before 3002.5.

Noroxi assessment

Priority: Plan (action score 42/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 10.4% (FIRST EPSS); higher than 95.7% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: salt (Alpine:v3.13) 3002.5-r0; salt (Debian:9) 2016.11.2+ds-1+deb9u7; salt (openSUSE:Leap 15.2) 3000-lp152.3.27.1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Add it to your regular patch cycle. Upgrade to salt (Alpine:v3.13) 3002.5-r0; salt (Debian:9) 2016.11.2+ds-1+deb9u7; salt (openSUSE:Leap 15.2) 3000-lp152.3.27.1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

An issue was discovered in through SaltStack Salt before 3002.5. The jinja renderer does not protect against server side template injection attacks.

CriticalCVSS 9.8 · v3.1—No exploit Fix available
Published
Feb 27, 2021
Updated
Jun 16, 2026
EPSS
10.4% · 95th percentile

Report tools

JSON

Action score

42

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
3 / 30 · 10.4%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2021-25283

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
saltstacksalt
fedoraprojectfedora
debiandebian linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • debian debian linux10.0
  • debian debian linux11.0
  • debian debian linux9.0
  • fedoraproject fedora32
  • fedoraproject fedora33
  • fedoraproject fedora34
  • saltstack salt2016.11.4 and later · before 2016.11.5
  • saltstack salt2016.11.7 and later · before 2016.11.10
  • saltstack salt2017.5.0 and later · before 2017.7.8
  • saltstack salt2018.2.0 and later · up to 2018.3.5 inclusive
  • saltstack saltbefore 2015.8.10
  • saltstack salt2019.2.6 and later · before 2019.2.8
  • saltstack salt3000 and later · before 3000.6
  • saltstack salt3001 and later · before 3001.4
  • saltstack salt3002 and later · before 3002.5
  • saltstack salt2019.2.0 and later · before 2019.2.5
  • saltstack salt2015.8.11 and later · before 2015.8.13
  • saltstack salt2016.3.0 and later · before 2016.3.4
  • saltstack salt2016.3.5 and later · before 2016.3.6
  • saltstack salt2016.3.7 and later · before 2016.3.8

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Alpine:v3.13saltfrom 2015.8.11 · before 3002.5-r03002.5-r0
Debian:9saltbefore 2016.11.2+ds-1+deb9u72016.11.2+ds-1+deb9u7
openSUSE:Leap 15.2saltbefore 3000-lp152.3.27.13000-lp152.3.27.1
PyPIsaltfrom 2015.8.11 · before 2015.8.132015.8.13
PyPIsaltfrom 2016.11.0 · before 2016.11.32016.11.3
PyPIsaltfrom 2016.11.4 · before 2016.11.52016.11.5
PyPIsaltfrom 2016.11.7 · before 2016.11.102016.11.10
PyPIsaltfrom 2016.3.0 · before 2016.11.52016.11.5
PyPIsaltfrom 2016.3.0 · before 2016.3.42016.3.4
PyPIsaltfrom 2016.3.5 · before 2016.3.62016.3.6
PyPIsaltfrom 2016.3.7 · before 2016.3.82016.3.8
PyPIsaltfrom 2017.5.0 · before 2017.7.82017.7.8
PyPIsaltfrom 2017.7.0 · before 2017.7.82017.7.8
PyPIsaltfrom 2018.2.0 · up to and including 2018.3.5—
PyPIsaltfrom 2018.3.0rc1 · before 2019.2.0rc12019.2.0rc1
PyPIsaltfrom 2019.2.0 · before 2019.2.52019.2.5
PyPIsaltfrom 2019.2.0 · before 2019.2.82019.2.8
PyPIsaltfrom 2019.2.6 · before 2019.2.82019.2.8
PyPIsaltfrom 3000 · before 3000.73000.7
PyPIsaltfrom 3000 · before 3000.63000.6
PyPIsaltfrom 3001 · before 3001.53001.5
PyPIsaltfrom 3001 · before 3001.43001.4
PyPIsaltfrom 3002 · before 3002.53002.5
PyPIsaltbefore 2015.8.102015.8.10

+11

Same product

saltstack: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-16846An issue was discovered in SaltStack Salt through 3002.KEV
    99Now
  • CVE-2020-11651An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2.KEV
    98Now
  • CVE-2020-11652An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2.KEV
    82Now

Published before and after this one in the same product

  • ← EarlierCVE-2021-25281Feb 27, 2021 · An issue was discovered in through SaltStack Salt before 3002.5.
    61This week
  • ← EarlierCVE-2021-25282Feb 27, 2021 · An issue was discovered in through SaltStack Salt before 3002.5.
    64This week
  • Later →CVE-2021-25284Feb 27, 2021 · An issue was discovered in through SaltStack Salt before 3002.5.
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
alpine:salt3002.5-r0 · Alpine:v3.13Package registry (OSV)
debian:salt2016.11.2+ds-1+deb9u7 · Debian:9Package registry (OSV)
opensuse:salt3000-lp152.3.27.1 · openSUSE:Leap 15.2Package registry (OSV)
PyPI:salt2015.8.10Package registry (OSV)
PyPI:salt2015.8.13Package registry (OSV)
PyPI:salt2016.11.10Package registry (OSV)
PyPI:salt2016.11.3Package registry (OSV)
PyPI:salt2016.11.5Package registry (OSV)
PyPI:salt2016.3.4Package registry (OSV)
PyPI:salt2016.3.6Package registry (OSV)
PyPI:salt2016.3.8Package registry (OSV)
PyPI:salt2017.7.8Package registry (OSV)
PyPI:salt2019.2.0rc1Package registry (OSV)
PyPI:salt2019.2.5Package registry (OSV)
PyPI:salt2019.2.8Package registry (OSV)
PyPI:salt3000.6Package registry (OSV)
PyPI:salt3000.7Package registry (OSV)
PyPI:salt3001.4Package registry (OSV)
PyPI:salt3001.5Package registry (OSV)
PyPI:salt3002.5Package registry (OSV)
suse:py26-compat-salt2016.11.10-6.8.1 · SUSE:Manager Server Module 4.1Package registry (OSV)
suse:release-notes-susemanager4.0.12.1-3.68.1 · SUSE:Manager Server 4.0Package registry (OSV)
suse:release-notes-susemanager-proxy4.0.12.1-0.16.52.1 · SUSE:Manager Proxy 4.0Package registry (OSV)
suse:salt3000-46.129.1 · SUSE:Manager Client Tools 12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-94 · Improper Control of Generation of Code ('Code Injection')

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (8 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records