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cvelistZyxelCVELIST:CVE-2023-34140
HistoryJul 17, 2023 - 5:49 p.m.

CVE-2023-34140

2023-07-1717:49:38
CWE-120
Zyxel
www.cve.org
1
buffer overflow
zyxel atp
denial of service
unauthenticated attacker
lan-based
capwap daemon

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.9%

JSON

A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2, VPN series firmware versions 4.30 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to cause denial of service (DoS) conditions by sending a crafted request to the CAPWAP daemon.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "ATP series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.32 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG FLEX series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.50 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG FLEX 50(W) series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.16 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG20(W)-VPN series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.16 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "VPN series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "4.30 through 5.36 Patch 2"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "NXC2500 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "6.10(AAIG.0) through 6.10(AAIG.3)"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "NXC5500 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "6.10(AAOS.0) through 6.10(AAOS.4)"
      }
    ]
  }
]

Related

prion 1
cve 1
nvd 1
nessus 1
prion
prion
Buffer overflow
2023-07-17 18:15:00
cve
cve
CVE-2023-34140
2023-07-17 18:15:09
nvd
nvd
CVE-2023-34140
2023-07-17 18:15:09
nessus
nessus
Zyxel USG < 5.37 / ATP < 5.37 / VPN < 5.37 Multiple Vulnerabilities
2023-08-07 00:00:00

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.9%

JSON
Related for CVELIST:CVE-2023-34140
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