PT-2022-11963 · Sysaid · Sysaid Itil

Brandon Perry · Published 2022-01-11 · Updated 2022-01-22 · CVE-2021-43973

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SysAid ITIL version 20.4.74 b10

Description The issue allows a remote authenticated attacker to upload an arbitrary file via the file parameter in the HTTP POST body to the "/UploadPsIcon.jsp" API endpoint. A successful request returns the absolute, server-side filesystem path of the uploaded file.

Recommendations For SysAid ITIL version 20.4.74 b10, consider restricting access to the "/UploadPsIcon.jsp" endpoint until a patch is available. As a temporary workaround, avoid using the file parameter in the affected API endpoint to minimize the risk of exploitation.

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2021-43973

Affected Products

Sysaid Itil

References · 7

• https://github.com/atredispartners/advisories/blob/master/ATREDIS-2022-0001.md · Patch
• https://osv.dev/vulnerability/CVE-2021-43973 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43973 · Security Note
• https://github.com/atredispartners/advisories/blob/master/ATREDIS-2021-0002.md · Note
• https://t.me/cybersecuritytechnologies/5254 · Telegram Post
• https://sysaid.com/it-service-management-software/incident-management · Note
• https://t.me/cibsecurity/35263 · Telegram Post