Critical severity · published May 29, 2021
CVE-2021-31703
Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IC
Ichris · Frontiersoftware
through 5.18 · source: NVD
Affected product
IC
Ichris
Frontiersoftware
More from Ichris
7.5
CVE-2021-31702
Frontier ichris through 5.18 mishandles making a DNS request for the hostname in the HTTP Host header, as demonstrated by submitting 127.0.0.1 multiple times for DoS