Description
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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63212%20_GatesAir%20Flexiva-LX%20Series%20_%20Session%20Hijacking
Product
https://www.gatesair.com/
Scores
CVSS v3
6.5
EPSS
0.0006
EPSS Percentile
18.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-200
Status
published
Products (8)
gatesair/flexiva_lx1000_firmware
1.0.13
gatesair/flexiva_lx1000_firmware
2.0
gatesair/flexiva_lx100_firmware
1.0.13
gatesair/flexiva_lx100_firmware
2.0
gatesair/flexiva_lx300_firmware
1.0.13
gatesair/flexiva_lx300_firmware
2.0
gatesair/flexiva_lx600_firmware
1.0.13
gatesair/flexiva_lx600_firmware
2.0
Published
Nov 19, 2025
Tracked Since
Feb 18, 2026