CVE-2021-1499

Name: CVE-2021-1499
Creator: NVD / NIST
Published: 2021-05-06T13:15:10.567+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 80.43%

Last modified Jun 17, 2026

CVE-2021-1499 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A vulnerability in the web-based management interface of Cisco HyperFlex HX Data Platform could allow an unauthenticated, remote attacker to upload files to an affected device. This vulnerability is due to missing authentication for the upload function. EPSS estimates a 80.43% chance of exploitation in the next 30 days.

Description

A vulnerability in the web-based management interface of Cisco HyperFlex HX Data Platform could allow an unauthenticated, remote attacker to upload files to an affected device. This vulnerability is due to missing authentication for the upload function. An attacker could exploit this vulnerability by sending a specific HTTP request to an affected device. A successful exploit could allow the attacker to upload files to the affected device with the permissions of the tomcat8 user.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

80.43%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Cisco	Hyperflex Hx Data Platform	< 4.0\(2e\)
Cisco	Hyperflex Hx Data Platform	>= 4.5, < 4.5\(2a\)

References

http://packetstormsecurity.com/files/163203/Cisco-HyperFlex-HX-Data-Platform-File-Upload-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-upload-KtCK8UgzVendor Advisory
http://packetstormsecurity.com/files/163203/Cisco-HyperFlex-HX-Data-Platform-File-Upload-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-upload-KtCK8UgzVendor Advisory

Timeline

Published: May 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1499?

How severe is CVE-2021-1499?

CVE-2021-1499 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 80.43% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1499?

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-2021-1499?

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

Scan your code now

Source: NVD / NIST