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Fencer Intel
critical 9.8

CVE-2015-8362 json

The setUpSubtleUserAccount function in /bin/bw on Harman AMX devices before 2015-10-12 has a hardcoded password for the BlackWidow account,…

published 2016-01-22 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-8246

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.7%
EPSS 4.7% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

The setUpSubtleUserAccount function in /bin/bw on Harman AMX devices before 2015-10-12 has a hardcoded password for the BlackWidow account, which makes it easier for remote attackers to obtain access via a (1) SSH or (2) HTTP session, a different vulnerability than CVE-2016-1984.

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 9.9

AMX Multiple Products Credential Management Vulnerabilities (Update A)

  • Harman DVX-21xxHD-SP (-T) <4.8.331 Harman DVX-31xxHD-SP (-T) <4.8.331 Harman DVX-2100HD-SP-T Master <4.1.420_Hotfix_firmware Harman Enova DGX 8/16/32/64 NI Series Master <4.2.397_Hotfix_firmware 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
    +22 more products
    Harman Enova DVX-x2xx <1.4.65 Harman Massio ControlPads MCP-10x <1.4.65 Harman ME260/64 Duet <3.60.456_Hotfix_firmware Harman NI-700 <4.1.419, <3.60.456_Hotfix_firmware Harman NI-900 Master Controllers (32M RAM) <3.60.456_Hotfix_firmware Harman NI-900 Master Controllers (64M RAM) <4.1.419 Harman NI-2000 <3.60.456_Hotfix_firmware Harman NI-2100 <4.1.419 Harman NI-2100 with ICSNet <4.1.419 Harman NI-3000 <3.60.456_Hotfix_firmware Harman NI-3100 <4.1.419 Harman NI-3100 with ICSNet <4.1.419 Harman NI-3100/256 <4.1.419 Harman NI-3100/256 with ICSNet <4.1.419 Harman NI-3101-SIG Master Controller <4.1.419 Harman NI-4000 <3.60.456_Hotfix_firmware Harman NI-4100 <4.1.419 Harman NI-4100/256 <4.1.419 Harman NX-1200 <1.4.65 Harman NX-2200 <1.4.65 Harman NX-3200 <1.4.65 Harman NX-4200 NetLinx Controller <1.4.65
    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

4.67% chance of exploitation in the next 30 days, higher than 91% 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.