PT-2025-49412 · Verysync · Verysync

Jjjjjzr · Published 2025-12-07 · Updated 2026-01-02 · CVE-2025-14199

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Verysync versions up to 2.21.3

Description A flaw exists in Verysync that allows for unrestricted file upload. This impacts an unknown function within the Web Administration Module, specifically related to the file /rest/f/api/resources/f96956469e7be39d/tmp/text.txt?override=false. The attack can be performed remotely. The exploit has been published. The vendor was contacted but did not respond.

Recommendations Versions prior to 2.21.3 are recommended.

Exploit

Fix

Improper Access Control

Unrestricted File Upload

Weakness Enumeration

CWE-284

CWE-434

Related Identifiers

CVE-2025-14199

Affected Products

Verysync

References · 10

• 🔥 https://github.com/jjjjj-zr/jjjjjzr/issues/10 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-14199 · Security Note
• https://osv.dev/vulnerability/CVE-2025-14199 · Vendor Advisory
• https://vuldb.com/?ctiid.334619 · Note
• https://vuldb.com/?id.334619 · Note
• https://twitter.com/SecReportCVE/status/2007056026739053008 · Twitter Post
• https://vuldb.com/?submit.699539 · Note
• https://t.me/cveNotify/145038 · Telegram Post
• https://t.me/CVEtracker/39051 · Telegram Post
• https://twitter.com/CVEnew/status/1997720519026631027 · Twitter Post