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CVE-2018-8851: The devices store passwords in plaintext, which may allow an attacker with access to the configuration file…
CVE-2018-8851 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 4 affected products, including Echelon Smartserver 1 Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
Echelon SmartServer 1 all versions, SmartServer 2 all versions prior to release 4.11.007, i.LON 100 all versions, and i.LON 600 all versions. The devices store passwords in plaintext, which may allow an attacker with access to the configuration file to log into the SmartServer web user interface.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-256: Plaintext Storage of a Password
The product stores a password in plaintext within resources such as memory or files.
CWE-522: Insufficiently Protected Credentials
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Affected products
- Echelon Smartserver 1 Firmware: all versions listed by NVD
- Echelon Smartserver 2 Firmware: before 4.11.007
- Echelon I.Lon 100 Firmware: all versions listed by NVD
- Echelon I.Lon 600 Firmware: all versions listed by NVD