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CVE-2017-8861: Cohuhd 3960hd Firmware: Authentication bypass
CVE-2017-8861 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists Cohuhd 3960hd Firmware as the affected product. 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
Missing authentication for the remote configuration port 1236/tcp on the Cohu 3960HD allows an attacker to change configuration parameters such as IP address and username/password via specially crafted XML SOAP packets.
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-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected products
- Cohuhd 3960hd Firmware: all versions listed by NVD