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 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.
Published:Nov 19, 2025
Last Modified:Jan 15, 2026
EPS:Nov 19, 2025
EPSS Score:0.0008
CVSS Score:6.5
Affected Products
Vendor
Product
Action
Vendor
Gatesair
Product
Flexiva-lx
Gatesair
Flexiva-lx
Vendor
Gatesair
Product
Flexiva Lx100
Gatesair
Flexiva Lx100
Vendor
Gatesair
Product
Flexiva Lx1000
Gatesair
Flexiva Lx1000
Vendor
Gatesair
Product
Flexiva Lx1000 Firmware
Gatesair
Flexiva Lx1000 Firmware
Vendor
Gatesair
Product
Flexiva Lx100 Firmware
Gatesair
Flexiva Lx100 Firmware
Vendor
Gatesair
Product
Flexiva Lx300
Gatesair
Flexiva Lx300
Vendor
Gatesair
Product
Flexiva Lx300 Firmware
Gatesair
Flexiva Lx300 Firmware
Vendor
Gatesair
Product
Flexiva Lx600
Gatesair
Flexiva Lx600
Vendor
Gatesair
Product
Flexiva Lx600 Firmware
Gatesair
Flexiva Lx600 Firmware
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
