PT-2020-14352 · Zyxel · Zyxel Cloudcnm Secumanager

Alexandre Torres + 1 · Published 2020-06-29 · Updated 2020-07-06 · CVE-2020-15315

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

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 DSA SSH key for the root account, located within the /opt/axess chroot directory tree.

Recommendations For versions 3.1.0 and 3.1.1, update the SSH key configuration to use unique, non-hardcoded keys for the root account. As a temporary workaround, consider restricting access to the root account via SSH until a patch is available.

Exploit

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2020-15315

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-2020-15315 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15315 · Security Note
• https://zyxel.com/support/vulnerabilities-of-CloudCNM-SecuManager.shtml · Vendor Advisory