What is the CVSS score of CVE-2020-5721?

CVE-2020-5721 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: 0.4%.

Is there a public PoC exploit available for CVE-2020-5721?

Yes, a public proof-of-concept exploit is available for CVE-2020-5721. Prioritise patching immediately. EPSS: 0.4%.

Winbox CVE-2020-5721

MEDIUM

Password in Configuration File (CWE-260)

2020-04-15 vulnreport@tenable.com

Information Disclosure Mikrotik Winbox

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

Apr 15, 2020 - 21:15 nvd

MEDIUM 5.5

DescriptionNVD

MikroTik WinBox 3.22 and below stores the user's cleartext password in the settings.cfg.viw configuration file when the Keep Password field is set and no Master Password is set. Keep Password is set by default and, by default Master Password is not set. An attacker with access to the configuration file can extract a username and password to gain access to the router.

AnalysisAI

MikroTik WinBox 3.22 and below stores the user's cleartext password in the settings.cfg.viw configuration file when the Keep Password field is set and no Master Password is set. 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 under CWE-260. MikroTik WinBox 3.22 and below stores the user's cleartext password in the settings.cfg.viw configuration file when the Keep Password field is set and no Master Password is set. Keep Password is set by default and, by default Master Password is not set. An attacker with access to the configuration file can extract a username and password to gain access to the router. Affected products include: Mikrotik Winbox.

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.