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CVE-2018-3881: Focalscope: XML external entity injection
CVE-2018-3881 is rated critical with a CVSS v3.1 base score of 9.4 and affects Focalscope. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
An exploitable unauthenticated XML external injection vulnerability was identified in FocalScope v2416. A unauthenticated attacker could submit a specially crafted web request to FocalScope's server that could cause an XXE, and potentially result in data compromise.
Severity breakdown
CVSS v3.1 9.4: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/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: Low. Some data can be modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-611: Improper Restriction of XML External Entity Reference
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
Affected products
- Focalscope: 2416