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CVE-2021-21542

MEDIUMCVSS 4.8/10EPSS 0.40%

Last modified

CVE-2021-21542 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Dell EMC iDRAC9 versions prior to 4.40.10.00 contain multiple stored cross-site scripting vulnerabilities. A remote authenticated malicious user with high privileges could potentially exploit these vulnerabilities to store malicious HTML or JavaScript code through multiple affected while generating a certificate. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Dell EMC iDRAC9 versions prior to 4.40.10.00 contain multiple stored cross-site scripting vulnerabilities. A remote authenticated malicious user with high privileges could potentially exploit these vulnerabilities to store malicious HTML or JavaScript code through multiple affected while generating a certificate. When victim users access the submitted data through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable application.

Metrics

CVSS 3.1
4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.40%

31.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DellIdrac9 Firmware< 4.40.00.00

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21542?
Dell EMC iDRAC9 versions prior to 4.40.10.00 contain multiple stored cross-site scripting vulnerabilities. A remote authenticated malicious user with high privileges could potentially exploit these vulnerabilities to store malicious HTML or JavaScript code through multiple affected while generating a certificate. When victim users access the submitted data through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable application.
How severe is CVE-2021-21542?
CVE-2021-21542 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21542?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21542?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST