PT-2025-38583 · Sync In · Sync In

Alex Zalo + 1 · CVE-2025-56869 · Published 2025-09-19 · Updated 2025-09-22

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Sync In versions through 1.1.1

Description A directory traversal issue exists in Sync In server. Authenticated attackers can achieve read and write access to the system through the FilesManager.saveMultipart function located in backend/src/applications/files/services/files-manager.service.ts, and the FilesManager.compress function also in backend/src/applications/files/services/files-manager.service.ts.

Recommendations Update versions prior to 1.1.2.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2025-56869

Affected Products

Sync In

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/56xxx/CVE-2025-56869.json · Exploit
• https://osv.dev/vulnerability/CVE-2025-56869 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-56869 · Security Note
• https://github.com/Sync-in/server · Note
• https://github.com/Sync-in/server/releases/tag/v1.2.0 · Note
• https://t.me/cveNotify/135988 · Telegram Post
• https://twitter.com/SecAideInfo/status/1970069589049676256 · Twitter Post
• https://sync-in.com · Note
• https://t.me/CVEtracker/32955 · Telegram Post
• https://twitter.com/CVEnew/status/1969110914541781085 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1969092160294203662 · Twitter Post