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OpenVPNCVE-2022-33738

HistoryJul 06, 2022 - 4:15 p.m.

CVE-2022-33738

2022-07-0616:15:08

CWE-331

CWE-338

OpenVPN

web.nvd.nist.gov

openvpn

access server

cve-2022-33738

weak random generator

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

7.5

Confidence

High

EPSS

0.002

Percentile

51.5%

JSON

OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal

Affected configurations

Nvd

Node

openvpnopenvpn_access_serverRange<2.11.0

VendorProductVersionCPE
openvpnopenvpn_access_server*cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
openvpn	openvpn_access_server	*	cpe:2.3:a:openvpn:openvpn_access_server::::::::

CNA Affected

[
  {
    "product": "OpenVPN Access Server",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "until 2.11"
      }
    ]
  }
]

References

openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

7.5

Confidence

High

EPSS

0.002

Percentile

51.5%

JSON

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