CVE-2018-25312

LifeSize ClearSea 3.1.4 contains directory traversal vulnerabilities that allow authenticated attackers to download and upload arbitrary files by manipulating path parameters in the smartgui interface. Attackers can exploit the upload endpoint with directory traversal sequences to write files to arbitrary locations on the system, enabling remote code execution.

CVSS v4.0

7.1 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.93% chance of exploitation in the next 30 days, 58th percentile

Published

2026-04-29

Updated

2026-04-30

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/44390

References

• CVE Record
• NVD entry

Related

• CVE-2018-25311
• CVE-2018-25313
• CVE-2018-25310
• CVE-2018-25314
• CVE-2018-25309
• CVE-2018-25315