Directory Traversal Vulnerabilities in LifeSize ClearSea by LifeSize
CVE-2018-25312

7.1HIGH

Key Information:

Vendor

Lifesize

Status
Clearsea
Vendor
CVE Published:
29 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-25312?

LifeSize ClearSea 3.1.4 is susceptible to directory traversal vulnerabilities that permit authenticated attackers to manipulate path parameters within the smartgui interface. By exploiting these weaknesses, attackers can upload and download arbitrary files, gaining the potential to write files to any location on the system. This could lead to unauthorized remote code execution, significantly compromising the security and integrity of the affected systems. It's crucial for users to assess the impact of these vulnerabilities and apply necessary patches to safeguard their environments.

Affected Version(s)

ClearSea 3.1.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-25312 - Proof of Concept

References

https://www.exploit-db.com/exploits/44390
exploit
https://www.vulncheck.com/advisories/lifesize-clearsea-di...
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

rsp3ar <lukunming@gmail.com>
.