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TI-2018-15537 Aliases CVE-2018-25312GHSA-xg4x-2cmm-rgc9

LifeSize ClearSea 3.1.4 Directory Traversal Remote Code Execution

Priority MEDIUM 64CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00933 60th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LifeSizeClearSea3.1.4—No fix listedCNA
  • ClearSea VendorLifeSize Affected 3.1.4 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-25312
  2. 2026-10-03 Alias added: GHSA-xg4x-2cmm-rgc9

References

Exploit 1

  • TI-2011-02422 The web interface on the LifeSize Room appliance LS_RM1_3.5.3 (11) and 4.7.18 allows… CVSS 2.0HIGH 7.5
  • TI-2019-05379 LifeSize Team, Room, Passport, and Networker 220 devices allow Authenticated Remote OS… CVSS 3.0HIGH 8.8
  • TI-2019-02724 A Remote Code Execution issue in the DNS Query Web UI in Lifesize Icon LS_RM3_3.7.0… CVSS 3.0HIGH 8.8
  • TI-2018-12801 Lifesize Express ls ex2_4.7.10 2000 (14) devices allow XSS via the interface/interface.php brand parameter. CVSS 3.1MEDIUM 6.1
  • TI-2011-02421 The web interface on the LifeSize Room appliance LS_RM1_3.5.3 (11) allows remote… CVSS 2.0MEDIUM 5.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences