What is the CVSS score of CVE-2020-7681?

CVE-2020-7681 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.7%.

Is there a public PoC exploit available for CVE-2020-7681?

Yes, a public proof-of-concept exploit is available for CVE-2020-7681. Prioritise patching immediately. EPSS: 1.7%.

Marscode CVE-2020-7681

HIGH

Path Traversal (CWE-22)

2020-07-25 report@snyk.io

Path Traversal Marscode

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jul 25, 2020 - 09:15 nvd

HIGH 7.5

DescriptionNVD

This affects all versions of package marscode. There is no path sanitization in the path provided at fs.readFile in index.js.

AnalysisAI

This affects all versions of package marscode. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. This affects all versions of package marscode. There is no path sanitization in the path provided at fs.readFile in index.js. Affected products include: Indo-Mars Marscode.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.