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Vulnerabilities

Vulnerability · CVE-2025-63212

GatesAir Flexiva-LX devices on firmware 1.0.13 and 2.0, including models LX100, LX300, LX600, and LX1000, expose sensitive session identifiers (sid) in the publicly accessible log

Published Nov 19, 2025 · catalog updated Nov 20, 2025 · GatesAir Flexiva-LX devices on

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-63212. EPSS is 0.38%. Act only if a listed version of GatesAir Flexiva-LX devices on is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (GatesAir Flexiva-LX devices on).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.38%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

GatesAir Flexiva-LX devices on firmware 1.0.13 and 2.0, including models LX100, LX300, LX600, and LX1000, expose sensitive session identifiers (sid) in the publicly accessible log file located at /log/Flexiva%20LX.log. An unauthenticated attacker can retrieve valid session IDs and hijack sessions without providing any credentials. This attack requires the legitimate user (admin) to have previously closed the browser window without logging out.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a n/a n/an/a

How to fix CVE-2025-63212

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-63212. EPSS is 0.38%. Act only if a listed version of GatesAir Flexiva-LX devices on is installed.

Which versions are affected?

Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.38%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 19, 2025 · EUVD

    Detected

    GatesAir Flexiva-LX devices on firmware 1.0.13 and 2.0, including models LX100, LX300, LX600, and LX1000, expose sensitive session identifiers (sid) in the publicly accessible log file located at /log/Flexiva%20LX.log. An unauthenticated attacker can retrieve valid session IDs and hijack sessions without providing any credentials. This attack requires the legitimate user (admin) to have previously

  2. Nov 20, 2025 · EUVD

    Updated

    GatesAir Flexiva-LX devices on firmware 1.0.13 and 2.0, including models LX100, LX300, LX600, and LX1000, expose sensitive session identifiers (sid) in the publicly accessible log file located at /log/Flexiva%20LX.log. An unauthenticated attacker can retrieve valid session IDs and hijack sessions without providing any credentials. This attack requires the legitimate user (admin) to have previously

Sources

  • CVE.orgVulnerability recordCVE-2025-63212

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-63212

    30-day exploitation probability 0.38%

    first.org
  • EUVDVulnerability recordEUVD-2025-198171

    GatesAir Flexiva-LX devices on firmware 1.0.13 and 2.0, including models LX100, LX300, LX600, and LX1000, expose sensitive session identifiers (sid) in the publicly accessible log file located at /log/Flexiva%20LX.log. An unauthenticated attacker can retrieve valid session IDs an

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026