What is the CVSS score of CVE-2021-34598?

CVE-2021-34598 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:N/I:N/A:H. EPSS exploitation probability: 0.9%.

Fl Mguard 1102 Firmware CVE-2021-34598

HIGH

Memory Leak (CWE-401)

2021-11-10 info@cert.vde.com

Information Disclosure Fl Mguard 1102 Firmware Fl Mguard 1105 Firmware

7.5

CVSS 3.1 · Vendor: cert

Severity by source

Vendor (cert) PRIMARY

7.5 HIGH

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

Primary rating from Vendor (cert) · only source for this CVE.

CVSS VectorVendor: cert

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 10, 2021 - 12:15 cve.org

HIGH 7.5

DescriptionCVE.org

AnalysisAI

In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 the remote logging functionality is impaired by the lack of memory release for data structures from syslog-ng when remote. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Memory Leak (CWE-401), which allows attackers to exhaust available memory leading to denial of service. In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 the remote logging functionality is impaired by the lack of memory release for data structures from syslog-ng when remote logging is active Affected products include: Phoenixcontact Fl Mguard 1102 Firmware, Phoenixcontact Fl Mguard 1105 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Ensure all allocated memory is properly freed. Use RAII patterns or garbage-collected languages.