Vulnerability Details : CVE-2021-28096
An issue was discovered in Stormshield SNS before 4.2.3 (when the proxy is used). An attacker can saturate the proxy connection table. This would result in the proxy denying any new connections.
Products affected by CVE-2021-28096
- Stormshield » Stormshield Network SecurityVersions from including (>=) 2.0.0 and up to, including, (<=) 2.7.8cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
- Stormshield » Stormshield Network SecurityVersions from including (>=) 3.8.0 and up to, including, (<=) 3.11.8cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
- cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
- Stormshield » Stormshield Network SecurityVersions from including (>=) 3.7.6 and up to, including, (<=) 3.7.20cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28096
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28096
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2021-28096
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28096
-
https://advisories.stormshield.eu/2021-005/
DoS on SNS Proxy | Stormshield securityVendor Advisory
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