SES Evolution server access check bypass (CVE-2021-31221)
| Advisory ID | CVE Number | Date discovered | Severity | Advisory revision |
|---|---|---|---|---|
| STORM-2021-023 | CVE-2021-31221 | 04/06/2021 | medium | v1 |
Vulnerability details
SES Evolution before 2.1.0 allows deleting some parts of a security policy by leveraging access to a computer having the administration console installed.
Impacted products
| Products | Severity | Detail |
|---|---|---|
| Stormshield Endpoint Security | medium | SES is impacted |
Revisions
| Version | Date | Description |
|---|---|---|
| v1 | 07/12/2021 | Initial release |

Stormshield Endpoint Security |
CVSS v3.1 Overall Score: 5.3
|
Analysis |
Impacted version |
|
An attacker may trick a user connected to a machine where the SES Evolution console is installed to execute a malicious program in order to delete an existing application identifier. This operation will prevent applying further security policies on the environment. |
|
Workaround solution |
Solution |
|
There is no workaround solution. |
The 2.1.0 update fixes this vulnerability. |
| Attack Vector | Attack Complexity | Privileges Required | User Interaction | Scope | Confidentiality Impact | Integrity Impact | Availability impact |
|---|---|---|---|---|---|---|---|
| Adjacent Network | Low | None | Required | Unchanged | None | None | High |
| CVSS Base score: 5.7 | CVSS Vector: (AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) |
| Exploit Code Maturity | Remediation Level | Report Confidence |
|---|---|---|
| Proof of concept code | Official fix | Confirmed |
| CVSS Temporal score: 5.1 | CVSS Vector: (AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C) |
| Confidentiality Requirement (CR) | Integrity Requirement (IR) | Availability Requirement (AR) |
|---|---|---|
| Low | Low | High |
| CVSS Environmental score: 5.3 | CVSS Vector: (AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C/CR:L/IR:L/AR:H/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X) |

