cve-2021-4234
Vulnerability from cvelistv5
Published
2022-07-06 19:10
Modified
2024-08-03 17:23
Severity ?
EPSS score ?
Summary
OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack.
References
▼ | URL | Tags | |
---|---|---|---|
security@openvpn.net | https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0 | Release Notes, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0 | Release Notes, Vendor Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | n/a | OpenVPN Access Server |
Version: 2.10 and prior version |
|
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attack." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-406: Insufficient Control of Network Message Volume" } ] } ] }, "references": { "reference_data": [ { "name": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0", "refsource": "MISC", "url": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0" } ] } } } }, "cveMetadata": { "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "assignerShortName": "OpenVPN", "cveId": "CVE-2021-4234", "datePublished": "2022-07-06T19:10:17", "dateReserved": "2022-07-01T00:00:00", "dateUpdated": "2024-08-03T17:23:09.056Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "fkie_nvd": { "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*\", 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.