PT-2019-5395 · Schneider Electric · Easergy T300

Published 2019-06-12 · Updated 2022-02-03 · CVE-2020-7511

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Easergy T300 versions 1.5.2 and older

Description A vulnerability exists due to the use of a broken or risky cryptographic algorithm, which could allow an attacker to acquire a password by brute force. This issue is related to the firmware of the Easergy T300, a modular controller for transformer substations. The vulnerability can be exploited remotely.

Recommendations For Easergy T300 versions 1.5.2 and older, update the firmware to a version newer than 1.5.2 to resolve the issue. As a temporary workaround, consider restricting access to the device to minimize the risk of exploitation.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

BDU:2020-02728

CVE-2020-7511

Affected Products

Easergy T300

References · 6

• https://bdu.fstec.ru/vul/2020-02728 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-7511 · Security Note
• https://se.com/ww/en/download/document/SEVD-2020-161-04 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-7511 · Vendor Advisory
• https://t.me/cvenotify/4418 · Telegram Post
• https://se.com/us/en/download/document/SEVD-2020-161-04 · Note