CVE-2021-3456

Resource deletion and interruption via unrestricted actions

Published Mar 30, 2022 · Updated Aug 3, 2024

Incorrect authorization in The Foreman Project Smart Proxy Salt 2.1.5 and earlier allows local users to delete resources and interrupt Foreman. Salt Smart Proxy action endpoints fail to restrict Foreman Server operations by caller, so authenticated local clients can invoke privileged resource-management actions. Exploitation requires valid local client access and is bounded to limited resource access or deletion and denial of service against the Foreman server.

CVSS severity7.1
High
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in The Foreman Project Smart Proxy Salt 2.1.5 and earlier allows local users to delete resources and interrupt Foreman. Salt Smart Proxy action endpoints fail to restrict Foreman Server operations by caller, so authenticated local clients can invoke privileged resource-management actions. Exploitation requires valid local client access and is bounded to limited resource access or deletion and denial of service against the Foreman server.

The record

CVE
CVE-2021-3456
Published
Mar 30, 2022
Updated
Aug 3, 2024
Vendor
The Foreman Project
Product
Smart Proxy Salt
Classifications
CWE-863, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 30, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=affecting up to, including smart_proxy_salt 2.1.5

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Foreman Project · Smart Proxy Saltversion=affecting up to, including smart_proxy_salt 2.1.5

Published CVSS scores

7.1NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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