Buffer overflow in Dell Idrac9_firmware
CVE-2021-21540
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a stack-based overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to overwrite configuration information by injecting arbitrarily large p…
Vulnerability class: Buffer Overflow
EPSS: 0.012 (63.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L.
Affected products
- Dell Idrac9_firmware
- Dell Integrated Remote Access Controller (Idrac) — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security_alert@emc.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-21540?
- CVE-2021-21540 is a medium-severity vulnerability in Dell Idrac9_firmware, classified under Stack-based Buffer Overflow. CVSS score: 5.9/10. Published 2021-04-30.
- How severe is CVE-2021-21540?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2021-21540 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.