XSS in Microchip Syncserver S100
CVE-2020-9028
Symmetricom SyncServer S100 2.90.70.3, S200 1.30, S250 1.25, S300 2.65.0, and S350 2.80.1 devices allow stored XSS via the newUserName parameter on the "User Creation, Deletion and Password Maintenance" screen (when creating a new user).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (49.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Microchip Syncserver S100
- Microchip Syncserver S100 Firmware — versions 2.90.70.3
- Microchip Syncserver S200
- Microchip Syncserver S200 Firmware — versions 1.30
- Microchip Syncserver S250
- Microchip Syncserver S250 Firmware — versions 1.25
- Microchip Syncserver S300
- Microchip Syncserver S300 Firmware — versions 2.65.0
- Microchip Syncserver S350
- Microchip Syncserver S350 Firmware — versions 2.80.1
Weakness classification (CWE)
References
- sku11army.blogspot.com/2020/01/symmetricom-syncserver_95.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-9028?
- CVE-2020-9028 is a medium-severity vulnerability in Microchip Syncserver S100, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-17.
- How severe is CVE-2020-9028?
- Medium severity. CVSS v3 base score is 6.1 out of 10.