PT-2023-8281 · Ivanti · Ivanti Avalanche Securefilter

Published 2023-12-12 · Updated 2024-01-11 · CVE-2021-22962

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Ivanti Avalanche SecureFilter (affected versions not specified)

Description The issue is related to insufficient input validation in the SecureFilter component of the Ivanti Avalanche system, which can be exploited by a remote attacker to bypass the authentication process. This can lead to leakage of sensitive data or potentially a resource-based Denial of Service (DoS) attack. An attacker can send a specially crafted request to exploit this issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

BDU:2024-00361

CVE-2021-22962

ZDI-24-058

Affected Products

Ivanti Avalanche Securefilter

References · 8

• https://bdu.fstec.ru/vul/2024-00361 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-24-058 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22962 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22962 · Security Note
• https://vuldb.com/ru/?id.248423 · Note
• https://twitter.com/CVEnew/status/1737138863792083441 · Twitter Post
• https://download.wavelink.com/Files/avalanche_v6.4.2_release_notes.txt · Note
• https://forums.ivanti.com/s/article/Avalanche-6-4-2-Security-Hardening-and-CVEs-addressed?language=en_US · Note