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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (9.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Theforeman Smart Proxy Salt
- Smart Proxy Salt — versions affecting up to, including smart_proxy_salt 2.1.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, 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.