Open Redirect in Dell EMC Idrac9 Firmware
CVE-2021-21579
Dell EMC iDRAC9 versions prior to 4.40.40.00 contain an open redirect vulnerability. A remote unauthenticated attacker may exploit this vulnerability to redirect users to arbitrary web URLs by tricking the victim users to click on maliciously crafted links.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (56.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Dell EMC Idrac9 Firmware
- Dell Integrated Remote Access Controller (Idrac) — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.dell.com/support/kbdoc/000189193 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-21579?
- CVE-2021-21579 is a medium-severity vulnerability in Dell EMC Idrac9 Firmware, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-08-03.
- How severe is CVE-2021-21579?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-21579 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.