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cvelistOXCVELIST:CVE-2023-26431
HistoryJun 20, 2023 - 7:51 a.m.

CVE-2023-26431

2023-06-2007:51:43
CWE-918
OX
www.cve.org
cve-2023-26431
local bypass
deny-list
network infrastructure
topology
running services
exploits

5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.7 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.7%

IPv4-mapped IPv6 addresses did not get recognized as “local” by the code and a connection attempt is made. Attackers with access to user accounts could use this to bypass existing deny-list functionality and trigger requests to restricted network infrastructure to gain insight about topology and running services. We now respect possible IPV4-mapped IPv6 addresses when checking if contained in a deny-list. No publicly available exploits are known.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "backend"
    ],
    "product": "OX App Suite",
    "vendor": "OX Software GmbH",
    "versions": [
      {
        "lessThanOrEqual": "7.10.6-rev39",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.10",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.7 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.7%

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