CVE-2016-1984
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.05% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-255
- Affected
- harman/amx firmware
- Source
- cret@cert.org
References
- http://blog.sec-consult.com/2016/01/deliberately-hidden-backdoor-account-in.htmlExploit
- http://seclists.org/fulldisclosure/2016/Jan/63Exploit
- http://www.amx.com/techcenter/NXSecurityBrief/Patch
- http://www.amx.com/techcenter/firmware.asp?Category=Hot%20Fix%20FilesPatch
- https://ics-cert.us-cert.gov/advisories/ICSA-16-049-02
- https://www.kb.cert.org/vuls/id/992624US Government Resource
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20160121-0_AMX_Deliberately_hidden_backdoor_account_v10.txtExploit
- http://blog.sec-consult.com/2016/01/deliberately-hidden-backdoor-account-in.htmlExploit
- http://seclists.org/fulldisclosure/2016/Jan/63Exploit
- http://www.amx.com/techcenter/NXSecurityBrief/Patch
- http://www.amx.com/techcenter/firmware.asp?Category=Hot%20Fix%20FilesPatch
- https://ics-cert.us-cert.gov/advisories/ICSA-16-049-02
- https://www.kb.cert.org/vuls/id/992624US Government Resource
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20160121-0_AMX_Deliberately_hidden_backdoor_account_v10.txtExploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.