What is the CVSS score of CVE-2019-13421?

CVE-2019-13421 has a CVSS 3.0 base score of 4.9 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2019-13421?

Yes, a public proof-of-concept exploit is available for CVE-2019-13421. Prioritise patching immediately. EPSS: 1.1%.

Search Guard CVE-2019-13421

MEDIUM

Insufficiently Protected Credentials (CWE-522)

2019-08-23 security@search-guard.com

Information Disclosure Search Guard

4.9

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

4.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Aug 23, 2019 - 14:15 nvd

MEDIUM 4.9

DescriptionNVD

Search Guard versions before 23.1 had an issue that an administrative user is able to retrieve bcrypt password hashes of other users configured in the internal user database.

AnalysisAI

Search Guard versions before 23.1 had an issue that an administrative user is able to retrieve bcrypt password hashes of other users configured in the internal user database. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Insufficiently Protected Credentials (CWE-522), which allows attackers to obtain user credentials due to weak protection mechanisms. Search Guard versions before 23.1 had an issue that an administrative user is able to retrieve bcrypt password hashes of other users configured in the internal user database. Affected products include: Search-Guard Search Guard. Version information: before 23.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Hash passwords with strong algorithms (bcrypt, argon2), encrypt credentials in transit and at rest, never log credentials.