PT-2021-10500 · Iec104 · Iec104

Umxyz · Published 2021-08-31 · Updated 2021-09-09 · CVE-2020-20486

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: IEC104 version 1.0

Description: The issue is a stack-buffer overflow in the Iec10x Sta Addr parameter.

Recommendations: For IEC104 version 1.0, consider restricting access to the Iec10x Sta Addr parameter to minimize the risk of exploitation until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-20486

Affected Products

Iec104

References · 5

• 🔥 https://github.com/airpig2011/IEC104/issues/14 · Exploit
• https://osv.dev/vulnerability/CVE-2020-20486 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-20486 · Security Note
• https://t.me/cibsecurity/28144 · Telegram Post
• https://t.me/cvenotify/20479 · Telegram Post