CVE-2016-1984

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-01-22 · updated 2026-06-17
Weakness: CWE-255

Description

The setUpSubtleUserAccount function in /bin/bw on Harman AMX devices before 2016-01-20 has a hardcoded password for the 1MB@tMaN account, which makes it easier for remote attackers to obtain access via a (1) SSH or (2) HTTP session, a different vulnerability than CVE-2015-8362.

Affected products

Harman Amx Firmware: 1.2.322, 1.3.100

References

http://blog.sec-consult.com/2016/01/deliberately-hidden-backdoor-account-in.html
http://seclists.org/fulldisclosure/2016/Jan/63
http://www.amx.com/techcenter/NXSecurityBrief/
http://www.amx.com/techcenter/firmware.asp?Category=Hot%20Fix%20Files
https://ics-cert.us-cert.gov/advisories/ICSA-16-049-02
https://www.kb.cert.org/vuls/id/992624
https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20160121-0_AMX_Deliberately_hidden_backdoor_account_v10.txt
http://blog.sec-consult.com/2016/01/deliberately-hidden-backdoor-account-in.html
http://seclists.org/fulldisclosure/2016/Jan/63
http://www.amx.com/techcenter/NXSecurityBrief/
http://www.amx.com/techcenter/firmware.asp?Category=Hot%20Fix%20Files
https://ics-cert.us-cert.gov/advisories/ICSA-16-049-02

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