What is the CVSS score of CVE-2020-6058?

CVE-2020-6058 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 2.4%.

Is there a public PoC exploit available for CVE-2020-6058?

Yes, a public proof-of-concept exploit is available for CVE-2020-6058. Prioritise patching immediately. EPSS: 2.4%.

Minisnmpd CVE-2020-6058

CRITICAL

Out-of-bounds Read (CWE-125)

2020-02-04 talos-cna@cisco.com

Buffer Overflow Denial Of Service Information Disclosure Minisnmpd

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Feb 04, 2020 - 20:15 nvd

CRITICAL 9.1

DescriptionNVD

An exploitable out-of-bounds read vulnerability exists in the way MiniSNMPD version 1.4 parses incoming SNMP packets. A specially crafted SNMP request can trigger an out-of-bounds memory read, which can result in the disclosure of sensitive information and denial of service. To trigger this vulnerability, an attacker needs to send a specially crafted packet to the vulnerable server.

AnalysisAI

An exploitable out-of-bounds read vulnerability exists in the way MiniSNMPD version 1.4 parses incoming SNMP packets. Rated critical severity (CVSS 9.1), 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 Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. An exploitable out-of-bounds read vulnerability exists in the way MiniSNMPD version 1.4 parses incoming SNMP packets. A specially crafted SNMP request can trigger an out-of-bounds memory read, which can result in the disclosure of sensitive information and denial of service. To trigger this vulnerability, an attacker needs to send a specially crafted packet to the vulnerable server. Affected products include: Minisnmpd Project Minisnmpd. Version information: version 1.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.