cbcvebase.
CVE-2021-22667
published 2021-02-24

CVE-2021-22667: BB-ESWGP506-2SFP-T versions 1.01.09 and prior is vulnerable due to the use of hard-coded credentials, which may allow an attacker to gain unauthorized access…

PriorityP262critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
3.61%
88.1th percentile
BB-ESWGP506-2SFP-T versions 1.01.09 and prior is vulnerable due to the use of hard-coded credentials, which may allow an attacker to gain unauthorized access and permit the execution of arbitrary code on the BB-ESWGP506-2SFP-T (versions 1.01.01 and prior).

Affected

2 ranges
VendorProductVersion rangeFixed in
advantechbb-eswgp506-2sfp-t_firmware<= 1.01.09
advantechbb-eswgp506-2sfp-t_firmware

Detection & IOCsextracted from sources · hover to see the quote

  • Target device is Advantech BB-ESWGP506-2SFP-T industrial ethernet switch running firmware versions 1.01.09 and prior; presence of hard-coded credentials enables unauthenticated remote access and arbitrary code execution
  • Vulnerability is exploitable remotely with no authentication and low skill level required (CVSS v3 9.8, AV:N/AC:L/PR:N/UI:N); monitor for unexpected remote login attempts or command execution on BB-ESWGP506-2SFP-T devices
  • CVSS vector confirms network-accessible attack surface with no privileges or user interaction required; use this to prioritize detection rules scoped to the device's management interface
  • ·No known public exploits specifically target this vulnerability at time of advisory publication
  • ·Advantech considers BB-ESWGP506-2SFP-T end-of-life with no patch available; affected firmware versions are 1.01.09 and prior (arbitrary code execution confirmed on versions 1.01.01 and prior)

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
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