CVE-2020-13559 | BDVDB-2026-147175 Detail

FreyrSCADA

Description#

A denial-of-service vulnerability exists in the traffic-logging functionality of FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028. A specially crafted packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

Impact#

Per CVSS v3.0: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-1024 Comparison of Incompatible Types

References#

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1174

Exploit#

No public exploit known

History#

Version 12021-01-11Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.

Published

Published: 2021-01-11
Last modified: 2024-08-04

Vendor information

Vendor: Not stated
Product: FreyrSCADA

Score

5.9 Medium

EPSS

1.3%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 71.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
IEC-60879-5-104 Server Simulator 21.04.028
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

5.9 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).