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Fencer Intel
critical 9.8

CVE-2016-1984 json

The setUpSubtleUserAccount function in /bin/bw on Harman AMX devices before 2016-01-20 has a hardcoded password for the 1MB@tMaN account, w…

published 2016-01-22 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3073

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.1%
EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

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.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-16-049-02A updated cvss 5.8

AMX Multiple Products Credential Management Vulnerabilities (Update A)

  • Harman Enova DGX 8/16/32/64 NX Series Master 1.4.72_Hotfix_firmware Harman Enova DGX 100 NX Series Master 1.4.72_Hotfix_firmware Harman Enova DVX-x2xx 1.4.65_Hotfix_firmware, 1.4.72_Hotfix_firmware Harman Massio ControlPads MCP-10x 1.4.65_Hotfix_firmware, 1.4.66_Hotfix_firmware Harman NX-1200 1.4.65_Hotfix_firmware, 1.4.66_Hotfix_firmware Harman NX-2200 1.4.65_Hotfix_firmware, 1.4.66_Hotfix_firmware
    +2 more products
    Harman NX-3200 1.4.65_Hotfix_firmware, 1.4.66_Hotfix_firmware Harman NX-4200 NetLinx Controller 1.4.65_Hotfix_firmware, 1.4.66_Hotfix_firmware
    affected: mitigation “AMX’s standard firmware releases for affected products are available for download at the following URL, with a valid account: (http://www.amx.com/techcenter/).”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

4.05% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • seclists.org http://seclists.org/fulldisclosure/2016/Jan/63 referenced PoC, tagged "exploit" by a source, unverified
  • sec-consult.com https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20160121-0_AMX_Deliberately_hidden_backdoor_account_v10.txt referenced PoC, tagged "exploit" by a source, unverified
  • blog.sec-consult.com http://blog.sec-consult.com/2016/01/deliberately-hidden-backdoor-account-in.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-255 Credentials Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.