CVE-2020-15340: zyxel cloudcnm_secumanager Missing Encryption of Sensitive Data
CVSS: 7.5v3.1HighModified
Published 26-06-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-15340 is a high (CVSS 7.5) Missing Encryption of Sensitive Data vulnerability in zyxel cloudcnm_secumanager. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.74%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 26-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded opt/axess/AXAssets/default_axess/axess/TR69/Handlers/turbolink/sshkeys/id_rsa SSH key.
CVSS metrics
1 score · 1 source · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.74%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.74% on 20-09-2026
20-09-202620-10-2026
EPSS score0.74%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (pierrekim.github.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Zyxel1 product
- cloudcnm_secumanager3.1.0 | 3.1.1
1 vendor · 1 product
References
2 links- pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.htmlX Refsource MISCExploitThird Party Advisory