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Vulnerability Intelligence

CVE-2023-28128

HighPublic exploit

An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker to achieve a remove code execution.

Published May 9, 2023 · Updated Jan 28, 2025

Key Facts

Patch immediately
  • CVE-2023-28128 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting Avalanche (Ivanti).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 85% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Avalanche <=6.3.4.153, Avalanche 6.3.4.153.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

7.2

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

EPSS (30-day exploit likelihood)

85%

Higher than 99.7% 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

An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker to achieve a remove code execution.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
AvalancheIvanti>= Avalanche version 6.3.x and below6.3.4.153

Patched Releases

Avalanche

<=6.3.4.153

Timeline

  1. Publicly disclosed

    May 9, 2023

  2. Last updated

    Jan 28, 2025

Weakness Type

  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

FAQ

Common Questions.

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