PT-2020-14367 · Zyxel · Zyxel Cloudcnm Secumanager

Alexandre Torres + 1 · Published 2020-06-26 · Updated 2022-10-27 · CVE-2020-15331

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Zyxel CloudCNM SecuManager versions 3.1.0 through 3.1.1

Description The issue concerns a hardcoded OAUTH SECRET KEY located in /opt/axess/etc/default/axess.

Recommendations For versions 3.1.0 and 3.1.1, consider changing the hardcoded OAUTH SECRET KEY to a unique, randomly generated key to prevent unauthorized access. As a temporary workaround, restrict access to the /opt/axess/etc/default/axess file to minimize the risk of exploitation.

Exploit

Fix

Missing Encryption of Sensitive Data

Weakness Enumeration

CWE-311

Related Identifiers

CVE-2020-15331

Affected Products

Zyxel Cloudcnm Secumanager

References · 4

• 🔥 https://pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.html · Exploit
• https://osv.dev/vulnerability/CVE-2020-15331 · Vendor Advisory
• https://zyxel.com/support/vulnerabilities-of-CloudCNM-SecuManager.shtml · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15331 · Security Note