Auth bypass in Zyxel Cloudcnm Secumanager
CVE-2020-15338
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a "Use of GET Request Method With Sensitive Query Strings" issue for /cnr requests.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (53.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Zyxel Cloudcnm Secumanager — versions 3.1.0, 3.1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.html (Exploit, Third Party Advisory)
- www.zyxel.com/support/vulnerabilities-of-CloudCNM-SecuManager.shtml (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15338?
- CVE-2020-15338 is a medium-severity vulnerability in Zyxel Cloudcnm Secumanager, classified under Missing Authorization. CVSS score: 5.3/10. Published 2022-09-29.
- How severe is CVE-2020-15338?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-15338 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.