What is the CVSS score of CVE-2021-1627?

CVE-2021-1627 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

Mule CVE-2021-1627

CRITICAL

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

2021-03-26 security@salesforce.com

SSRF Mule

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 26, 2021 - 17:15 nvd

CRITICAL 9.8

DescriptionNVD

MuleSoft is aware of a Server Side Request Forgery vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. This affects: Mule 3.8.x,3.9.x,4.x runtime released before February 2, 2021.

AnalysisAI

MuleSoft is aware of a Server Side Request Forgery vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. 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. MuleSoft is aware of a Server Side Request Forgery vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. This affects: Mule 3.8.x,3.9.x,4.x runtime released before February 2, 2021. Affected products include: Salesforce Mule.

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.