Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-22909 |
CWE-ID | CWE-295 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
EdgeOS Operating systems & Components / Operating system EdgeRouter X Hardware solutions / Routers & switches, VoIP, GSM, etc EdgeRouter Pro X SFP Hardware solutions / Routers & switches, VoIP, GSM, etc EdgeRouter 10X Hardware solutions / Routers & switches, VoIP, GSM, etc EdgePoint 6-port Hardware solutions / Routers & switches, VoIP, GSM, etc |
Vendor | Ubiquiti Networks |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU53426
Risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22909
CWE-ID:
CWE-295 - Improper Certificate Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.
The vulnerability exists due to improper certificate verification within the downloading of firmware files via HTTPS. A remote attacker can perform a MitM attack on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsEdgeOS: 2.0.9
EdgeRouter X: All versions
EdgeRouter Pro X SFP: All versions
EdgeRouter 10X: All versions
EdgePoint 6-port: All versions
External linkshttp://www.zerodayinitiative.com/advisories/ZDI-21-601/
http://community.ui.com/releases/Security-Advisory-Bulletin-018-018/cfa1566b-4bf8-427b-8cc7-8cffba3a93a4
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.