PT-2021-5374 · Ivanti · Ivanti Avalanche

Published 2021-09-22 · Updated 2021-12-08 · CVE-2021-42129

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Ivanti Avalanche versions prior to 6.3.3

Description A command injection vulnerability exists in Ivanti Avalanche, allowing an attacker with access to the Inforail Service to perform arbitrary command execution. The issue is related to insufficient input data cleaning in the mapShare system, which can be exploited by a remote attacker to execute arbitrary commands by sending specially crafted data.

Recommendations For versions prior to 6.3.3, update to version 6.3.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the Inforail Service to minimize the risk of exploitation.

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2021-06209

CVE-2021-42129

ZDI-21-1325

Affected Products

Ivanti Avalanche

References · 11

• https://osv.dev/vulnerability/CVE-2021-42129 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-1325 · Security Note
• https://safe-surf.ru/upload/VULN/VULN-20211124.9.pdf · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-42129 · Security Note
• https://bdu.fstec.ru/vul/2021-06209 · Security Note
• https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021112207 · Note
• https://t.me/cvenotify/24339 · Telegram Post
• https://securitylab.ru/vulnerability/526759.php · Note
• https://t.me/cibsecurity/33452 · Telegram Post
• https://wavelink.com/Download-Avalanche_Mobile-Device-Management-Software · Note