CVE-2021-31703
Frontier ichris through 5.18 allows users to upload malicious executable files that might later...
Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user.
- Record
CVE-2021-31703- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user.
- Record
CVE-2021-31703- Updated
- 2026-11-02
EUVDEUVD-2021-18588 No score
Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user.
- Record
EUVD-2021-18588- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-85jh-x2q3-f29m No score
Frontier ichris through 5.18 allows users to upload malicious executable files that might later...
Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user.
- Record
GHSA-85jh-x2q3-f29m- Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31703 is a critical vulnerability (CVSS 9.8) in Frontiersoftware Ichris, published May 29, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.23%, the 69th percentile. No source names a fixed version.