PT-2017-3814 · Moxa · Moxa Pt-7528+1

Published 2017-09-01 · Updated 2020-03-26 · CVE-2020-6987

Positive Technologies (AI Summary)

CVSS v2.0

9.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Moxa PT-7528 series firmware versions 4.0 and lower Moxa PT-7828 series firmware versions 3.9 and lower

Description The issue is related to the use of a weak cryptographic algorithm in the affected products, which may allow confidential information to be disclosed. An attacker could potentially exploit this weakness to decrypt credentials.

Recommendations For Moxa PT-7528 series firmware versions 4.0 and lower, consider updating to a version higher than 4.0 to resolve the issue. For Moxa PT-7828 series firmware versions 3.9 and lower, consider updating to a version higher than 3.9 to resolve the issue. As a temporary workaround, consider restricting access to sensitive information until a patch is available.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

BDU:2019-03278

CVE-2020-6987

Affected Products

Moxa Pt-7528

Moxa Pt-7828

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-6987 · Security Note
• https://bdu.fstec.ru/vul/2019-03278 · Security Note
• https://osv.dev/vulnerability/CVE-2020-6987 · Vendor Advisory
• https://us-cert.gov/ics/advisories/icsa-20-056-03 · Note
• https://moxa.com/en/support/support/security-advisory/pt-7528-7828-ethernet-switches-vulnerabilities · Note