Security readout for executives and security teams
Plain-English summary
LifeSize ClearSea 3.1.4 has a path traversal flaw that lets a logged-in attacker read or write files outside intended directories. The reported upload behavior can enable remote code execution. This is high priority where ClearSea remains deployed, especially if accessible from untrusted networks.
Executive priority
Prioritize within the current remediation cycle for any reachable ClearSea 3.1.4 deployment. Escalate immediately if internet-facing, business-critical, or lacking access controls. Public exploit information increases urgency even without confirmed active exploitation.
Technical view
The issue affects the smartgui interface in LifeSize ClearSea 3.1.4. Authenticated attackers can manipulate path parameters to download and upload arbitrary files. Uploading to unintended system locations is reported to allow remote code execution. CVSS v4.0 is 7.1, with network access, low complexity, and low privileges required.
Likely exposure
Exposure is limited to LifeSize ClearSea 3.1.4 systems where attackers can reach the smartgui interface and obtain valid credentials. Internet-facing or partner-accessible deployments carry greater business risk. The provided sources do not identify other affected versions.
Exploitation context
A public Exploit-DB entry exists, and VulnCheck describes remote code execution impact. The source bundle does not show CISA KEV listing or confirm active exploitation. Treat the exploit availability as a material risk signal, not proof of current campaigns.
Researcher notes
Evidence supports CWE-22 path traversal with authenticated arbitrary file read/write and reported RCE through arbitrary upload location. Do not assume unauthenticated access or broader version impact from the provided sources. Vendor patch details are not present in the bundle.
Mitigation direction
- Inventory LifeSize ClearSea deployments and confirm whether version 3.1.4 is present.
- Restrict smartgui access to trusted administrative networks only.
- Review vendor guidance or support channels for fixed versions or official mitigations.
- Disable or retire unsupported ClearSea systems if no safe update path exists.
- Enforce least-privilege accounts and remove unused ClearSea credentials.
Validation and detection
- Check asset inventory for LifeSize ClearSea version 3.1.4.
- Identify whether smartgui is reachable from the internet or untrusted networks.
- Review logs for unusual file upload or download activity through smartgui.
- Confirm administrative access controls limit who can authenticate to ClearSea.
- Document compensating controls if no vendor patch is available.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-25312 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
7.1HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-44390CVE reference · exploit
- VulnCheck Advisory: LifeSize ClearSea 3.1.4 Directory Traversal Remote Code ExecutionCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.