CVE-2017-14115
The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589 and NVG599 devices, when IP Passthrough mode is not used, configures ssh-permanent-enable WAN SSH logins to the remotessh account with the 5SaP9I26 password, which allows remote attackers to…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589 and NVG599 devices, when IP Passthrough mode is not used, configures ssh-permanent-enable WAN SSH logins to the remotessh account with the 5SaP9I26 password, which allows remote attackers to access a "Terminal shell v1.0" service, and subsequently obtain unrestricted root privileges, by establishing an SSH session and then entering certain shell metacharacters and BusyBox commands.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.38% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-798
- Affected
- att/u-verse firmware
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/100585Third Party Advisory, VDB Entry
- https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/Third Party Advisory
- https://www.nomotion.net/blog/sharknatto/Exploit, Mitigation, Technical Description, Third Party Advisory
- http://www.securityfocus.com/bid/100585Third Party Advisory, VDB Entry
- https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/Third Party Advisory
- https://www.nomotion.net/blog/sharknatto/Exploit, Mitigation, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.