What is the CVSS score of CVE-2020-27018?

CVE-2020-27018 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 3.5%.

Is there a public PoC exploit available for CVE-2020-27018?

Yes, a public proof-of-concept exploit is available for CVE-2020-27018. Prioritise patching immediately. EPSS: 3.5%.

Trend Micro CVE-2020-27018

MEDIUM

Server-Side Request Forgery (SSRF) (CWE-918)

2020-11-09 security@trendmicro.com

Trend Micro SSRF Interscan Messaging Security Virtual Appliance

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Nov 09, 2020 - 23:15 nvd

MEDIUM 5.5

DescriptionNVD

Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to a server side request forgery vulnerability which could allow an authenticated attacker to abuse the product's web server and grant access to web resources or parts of local files. An attacker must already have obtained authenticated privileges on the product to exploit this vulnerability.

AnalysisAI

Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to a server side request forgery vulnerability which could allow an authenticated attacker to abuse the product's. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to a server side request forgery vulnerability which could allow an authenticated attacker to abuse the product's web server and grant access to web resources or parts of local files. An attacker must already have obtained authenticated privileges on the product to exploit this vulnerability. Affected products include: Trendmicro Interscan Messaging Security Virtual Appliance.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.