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TalosVULNRICHMENT:CVE-2023-25774

HistoryOct 12, 2023 - 3:27 p.m.

CVE-2023-25774

2023-10-1215:27:53

CWE-400

talos

github.com

denial-of-service

softether vpn

network connections

cve-2023-25774

vulnerability

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

21.7%

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

A denial-of-service vulnerability exists in the vpnserver ConnectionAccept() functionality of SoftEther VPN 5.02. A set of specially crafted network connections can lead to denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:*"
    ],
    "vendor": "softether",
    "product": "vpn",
    "versions": [
      {
        "status": "affected",
        "version": "5.01.9674"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:*"
    ],
    "vendor": "softether",
    "product": "vpn",
    "versions": [
      {
        "status": "affected",
        "version": "5.02"
      }
    ],
    "defaultStatus": "unknown"
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2023-1743

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

21.7%

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

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