PT-2020-14349 · Zyxel · Zyxel Cloudcnm Secumanager

Alexandre Torres + 2 · Published 2020-06-29 · Updated 2020-07-02 · CVE-2020-15312

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, which could potentially allow unauthorized access.

Recommendations For versions 3.1.0 and 3.1.1, consider changing the root account password and regenerating SSH keys to prevent unauthorized access. As a temporary workaround, restrict SSH access to the root account until a patch is available.

Exploit

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2020-15312

Affected Products

Zyxel Cloudcnm Secumanager

References · 4

• 🔥 https://pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-15312 · Security Note
• https://osv.dev/vulnerability/CVE-2020-15312 · Vendor Advisory
• https://zyxel.com/support/vulnerabilities-of-CloudCNM-SecuManager.shtml · Vendor Advisory