CVE-2017-7920
An Improper Authentication issue was discovered in ABB VSN300 WiFi Logger Card versions 1.8.15 and prior, and VSN300 WiFi Logger Card for React versions 2.1.3 and prior.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An Improper Authentication issue was discovered in ABB VSN300 WiFi Logger Card versions 1.8.15 and prior, and VSN300 WiFi Logger Card for React versions 2.1.3 and prior. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access internal information about status and connected devices without authenticating.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 2.71% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- abb/vsn300 firmware · abb/vsn300 for react firmware
- Source
- ics-cert@hq.dhs.gov
EPSS 2.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://search.abb.com/library/Download.aspx?DocumentID=9AKK107045A1977&LanguageCode=en&DocumentPartId=&Action=LaunchVendor Advisory
- http://www.securityfocus.com/bid/99558Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-192-03Third Party Advisory, US Government Resource
- http://search.abb.com/library/Download.aspx?DocumentID=9AKK107045A1977&LanguageCode=en&DocumentPartId=&Action=LaunchVendor Advisory
- http://www.securityfocus.com/bid/99558Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-192-03Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.