What is the CVSS score of CVE-2019-5448?

CVE-2019-5448 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2019-5448?

Yes, a public proof-of-concept exploit is available for CVE-2019-5448. Prioritise patching immediately. EPSS: 0.7%.

Is there a patch available for CVE-2019-5448?

Yes, a patch is available for CVE-2019-5448. Update the affected software to the latest version immediately.

Yarn CVE-2019-5448

HIGH

Missing Encryption of Sensitive Data (CWE-311)

2019-07-30 support@hackerone.com

Information Disclosure Yarn

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 30, 2019 - 21:15 nvd

HIGH 8.1

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

5 npm packages depend on yarn (4 direct, 1 indirect)

Ecosystem-wide dependent count for version 1.17.3.

DescriptionNVD

Yarn before 1.17.3 is vulnerable to Missing Encryption of Sensitive Data due to HTTP URLs in lockfile causing unencrypted authentication data to be sent over the network.

AnalysisAI

Yarn before 1.17.3 is vulnerable to Missing Encryption of Sensitive Data due to HTTP URLs in lockfile causing unencrypted authentication data to be sent over the network. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-311. Yarn before 1.17.3 is vulnerable to Missing Encryption of Sensitive Data due to HTTP URLs in lockfile causing unencrypted authentication data to be sent over the network. Affected products include: Yarnpkg Yarn. Version information: before 1.17.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.