What is CVE-2021-3456?

CVE-2021-3456 is a high-severity vulnerability in Theforeman Smart Proxy Salt, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2022-03-30.

How severe is CVE-2021-3456?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2021-3456 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Theforeman Smart Proxy Salt

CVE-2021-3456

An improper authorization handling flaw was found in Foreman. The Salt plugin for the smart-proxy allows foreman clients to execute actions that should be limited to the Foreman Server. This flaw allows an authenticated local attacker to access and delete limited resources and also causes a denial of service on the Foreman server. The highest threat from this vulnerability is to integrity and system availability.

Vulnerability class: Broken Access Control

EPSS: 0.002 (9.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Theforeman Smart_proxy_salt
N/a Smart_proxy_salt — versions affecting up to, including smart_proxy_salt 2.1.5

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

References

secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-3456?: CVE-2021-3456 is a high-severity vulnerability in Theforeman Smart Proxy Salt, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2022-03-30.
How severe is CVE-2021-3456?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2021-3456 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.