CVE-2025-63212Public exploitNetwork attack vector

Administrator session hijacking via public log exposure

Published Nov 19, 2025 · Updated Nov 20, 2025

Information exposure in GatesAir Flexiva-LX firmware 1.0.13 and 2.0 allows remote attackers to hijack administrator sessions. The unauthenticated /log/Flexiva%20LX.log endpoint returns sid values that the web interface accepts as administrator session cookies. Exploitation requires an administrator to close the browser without logging out, leaving a reusable session that grants full device administration.

CVSS severity6.5
Medium
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information exposure in GatesAir Flexiva-LX firmware 1.0.13 and 2.0 allows remote attackers to hijack administrator sessions. The unauthenticated /log/Flexiva%20LX.log endpoint returns sid values that the web interface accepts as administrator session cookies. Exploitation requires an administrator to close the browser without logging out, leaving a reusable session that grants full device administration.

The record

CVE
CVE-2025-63212
Published
Nov 19, 2025
Updated
Nov 20, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200, T1539
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 20, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

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

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1539Steal Web Session Cookie

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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