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[email protected]CVE-2022-45853

HistoryMay 30, 2023 - 11:15 a.m.

CVE-2022-45853

2023-05-3011:15:09

CWE-269

[email protected]

web.nvd.nist.gov

cve-2022-45853

zyxel

gs1900-8

firmware

privilege escalation

vulnerability

ssh

nvd

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version

V2.70(AAHH.3) and the GS1900-8HP firmware version V2.70(AAHI.3) could allow an authenticated, local attacker with administrator privileges to execute some system commands as ‘root’ on a vulnerable device via SSH.

Affected configurations

NVD

Node

zyxelgs1900-8_firmwareMatch2.70\(aahh.3\)

AND

zyxelgs1900-8Match-

Node

zyxelgs1900-8hp_firmwareMatch2.70\(aahi.3\)

AND

zyxelgs1900-8hpMatch-

Node

zyxelgs1900-10hp_firmwareMatch2.70\(aazi.3\)

AND

zyxelgs1900-10hpMatch-

Node

zyxelgs1900-16Match-

AND

zyxelgs1900-16_firmwareMatch2.70\(aahj.3\)

Node

zyxelgs1900-24Match-

AND

zyxelgs1900-24_firmwareMatch2.70\(aahl.3\)

Node

zyxelgs1900-24eMatch-

AND

zyxelgs1900-24e_firmwareMatch2.70\(aahk.3\)

Node

zyxelgs1900-24epMatch-

AND

zyxelgs1900-24ep_firmwareMatch2.70\(abto.3\)

Node

zyxelgs1900-24hpv2Match-

AND

zyxelgs1900-24hpv2_firmwareMatch2.70\(abtp.3\)

Node

zyxelgs1900-48Match-

AND

zyxelgs1900-48_firmwareMatch2.70\(aahn.3\)

Node

zyxelgs1900-48hpv2Match-

AND

zyxelgs1900-48hpv2_firmwareMatch2.70\(abtq.3\)

CPENameOperatorVersion
zyxel:gs1900-8_firmwarezyxel gs1900-8 firmwareeq2.70\(aahh.3\)

CPE	Name	Operator	Version
zyxel:gs1900-8_firmware	zyxel gs1900-8 firmware	eq	2.70\(aahh.3\)

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "GS1900-8HP firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "V2.70(AAHI.3)"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "GS1900-8 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "V2.70(AAHH.3)"
      }
    ]
  }
]

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-privilege-escalation-vulnerability-in-gs1900-series-switches

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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