9.8

CVE-2020-15331: zyxel cloudcnm_secumanager Missing Encryption of Sensitive Data

CVSS: 9.8v3.1CriticalModified
Published 26-06-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-15331 is a critical (CVSS 9.8) Missing Encryption of Sensitive Data vulnerability in zyxel cloudcnm_secumanager. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 58.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.89%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 26-06-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded OAUTH_SECRET_KEY in /opt/axess/etc/default/axess.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.89%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.89% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.89%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (pierrekim.github.io)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Zyxel1 product

1 vendor · 1 product

References

2 links