Login Request a demo
Medium severity · published Apr 8, 2020
CVE-2020-10633
A non-persistent XSS (cross-site scripting) vulnerability exists in eWON Flexy and Cosy (all firmware versions prior to 14.1s0)
6.1
CVSS
0.7%
EPSS
No
On KEV
Description
A non-persistent XSS (cross-site scripting) vulnerability exists in eWON Flexy and Cosy (all firmware versions prior to 14.1s0). An attacker could send a specially crafted URL to initiate a password change for the device. The target must introduce the credentials to the gateway before the attack can be successful.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EC
Ewon Cosy Firmware · Hms-networks
before 14.1s0 · source: NVD
EF
Ewon Flexy Firmware · Hms-networks
before 14.1s0 · source: NVD
Affected product
EC
Ewon Cosy Firmware
Hms-networks
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10633
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10633
Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-098-03
More from Ewon Cosy Firmware
9.1
CVE-2024-33897
A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another device, resulting in an availability issue
8.8
CVE-2024-33894
Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are executing several processes with elevated privileges
7.5
CVE-2024-33892
Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are susceptible to leaking information through cookies
7.2
CVE-2024-33896
Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting
6.6
CVE-2024-33895
Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique key to encrypt the configuration parameters