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CVE-2016-0391: IBM Watson Developer Cloud: Improper Access Control
CVE-2016-0391 is rated critical with a CVSS v3.0 base score of 9.8 and affects IBM Watson Developer Cloud. 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
The IBM Watson Developer Cloud services on Bluemix platforms do not properly generate random numbers for service-instance credentials, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack.
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-284: Improper Access Control
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Affected products
- IBM Watson Developer Cloud: all versions listed by NVD