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CVE-2016-4501: Envirosys Esc 8832 Data Controller: Authentication bypass
CVE-2016-4501 is rated critical with a CVSS v3.0 base score of 9.1 and affects Envirosys Esc 8832 Data Controller. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
Environmental Systems Corporation (ESC) 8832 Data Controller 3.02 and earlier mishandles sessions, which allows remote attackers to bypass authentication and make arbitrary configuration changes via unspecified vectors.
Severity breakdown
CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- 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: None. No effect on availability.
Underlying weakness
CWE-284: Improper Access Control
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Affected products
- Envirosys Esc 8832 Data Controller: up to and including 3.02