CVE-2021-22667: Advantech BB-ESWGP506-2SFP-T Use of Hard-coded Credentials Remote Code Execution Vulnerability
First published: Wed Feb 24 2021(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech BB-ESWGP506-2SFP-T industrial switches. Authentication is not required to exploit this vulnerability. The specific flaw exists within the telnet service, which listens on TCP port 23 by default. The service contains a hard-coded password for the administrator user account. An attacker can leverage this vulnerability to execute code in the context of the administrator user.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Advantech BB-ESWGP506-2SFP-T | ||
| Advantech Bb-eswgp506-2sfp-t Firmware | <=1.01.09 | |
| Advantech BB-ESWGP506-2SFP-T |
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Reference Links
Frequently Asked Questions
What is CVE-2021-22667?
CVE-2021-22667 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Advantech BB-ESWGP506-2SFP-T industrial switches.
How severe is CVE-2021-22667?
CVE-2021-22667 has a severity rating of 9.8 (Critical).
Is authentication required to exploit CVE-2021-22667?
No, authentication is not required to exploit CVE-2021-22667.
What is the specific flaw within CVE-2021-22667?
The specific flaw within CVE-2021-22667 is a vulnerability in the telnet service, which listens on TCP port 23 by default.
How can I fix CVE-2021-22667?
To fix CVE-2021-22667, apply the necessary security patches provided by Advantech.
- collector/zdi-advisory
- alias/ZDI-21-593
- alias/ZDI-CAN-11786
- alias/CVE-2021-22667
- collector/nvd-index
- vendor/advantech
- product/bb-eswgp506-2sfp-t
- canonical/advantech bb-eswgp506-2sfp-t
- product/bb-eswgp506-2sfp-t firmware
- canonical/advantech bb-eswgp506-2sfp-t firmware