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Vulnerability Intelligence

CVE-2021-1499

MediumPublic exploit

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.

Published Jun 24, 2021 · Updated Nov 8, 2024

Key Facts

Patch immediately
  • CVE-2021-1499 is a medium-severity vulnerability (CVSS 5.3 v3.1) affecting Hyperflex Hx Data Platform (Cisco).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 80% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Hyperflex Hx Data Platform 4.0\(2e\).
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

5.3

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

EPSS (30-day exploit likelihood)

80%

Higher than 99.6% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

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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.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Hyperflex Hx Data PlatformCisco>= n/a4.0\(2e\)

Patched Releases

Hyperflex Hx Data Platform

4.0\(2e\)

Timeline

  1. Publicly disclosed

    Jun 24, 2021

  2. Last updated

    Nov 8, 2024

Weakness Type

  • CWE-306 Missing Authentication for Critical Function

References

4 more references in the full CVE brief

FAQ

Common Questions.

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