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CVE-2018-4991: Adobe Creative Cloud: Improper Certificate Validation
CVE-2018-4991 is rated critical with a CVSS v3.0 base score of 9.8 and affects Adobe Creative 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
Adobe Creative Cloud Desktop Application versions 4.4.1.298 and earlier have an exploitable Improper certificate validation vulnerability. Successful exploitation could lead to a security bypass.
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-295: Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
Affected products
- Adobe Creative Cloud: up to and including 4.4.1.298