How severe is CVE-2018-25312?

CVE-2018-25312 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-25312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2018-25312?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2018-25312 have an EU (EUVD) identifier?

Yes. CVE-2018-25312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21833.

When was CVE-2018-25312 published?

CVE-2018-25312 was published on 2026-04-29 and last updated on 2026-06-17.

CVE-2018-25312

CVE-2018-25312 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21833
Weakness: CWE-22
Published: 2026-04-29
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-25312?: CVE-2018-25312 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-25312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2018-25312?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2018-25312 have an EU (EUVD) identifier?: Yes. CVE-2018-25312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21833.
When was CVE-2018-25312 published?: CVE-2018-25312 was published on 2026-04-29 and last updated on 2026-06-17.

References

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