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[email protected]CVE-2021-35032

HistoryDec 28, 2021 - 11:15 a.m.

CVE-2021-35032

2021-12-2811:15:07

CWE-78

[email protected]

web.nvd.nist.gov

cve-2021-35032

zyxel

gs1900

firmware

vulnerability

libsal.so

os command execution

nvd

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.2%

JSON

A vulnerability in the ‘libsal.so’ of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call.

Affected configurations

NVD

Node

zyxelgs1900-8_firmwareRange<2.70\(aahh.0\)-20211208

AND

zyxelgs1900-8Match-

Node

zyxelgs1900-8hp_firmwareRange<2.70\(aahi.0\)-20211208

AND

zyxelgs1900-8hpMatch-

Node

zyxelgs1900-10hp_firmwareRange<2.70\(aazi.0\)-20211208

AND

zyxelgs1900-10hpMatch-

Node

zyxelgs1900-16_firmwareRange<2.70\(aahj.0\)-20211208

AND

zyxelgs1900-16Match-

Node

zyxelgs1900-24e_firmwareRange<2.70\(aahk.0\)-20211208

AND

zyxelgs1900-24eMatch-

Node

zyxelgs1900-24ep_firmwareRange<2.70\(abto.0\)-20211208

AND

zyxelgs1900-24epMatch-

Node

zyxelgs1900-24_firmwareRange<2.70\(aahl.0\)-20211208

AND

zyxelgs1900-24Match-

Node

zyxelgs1900-24hp_firmwareRange<2.70\(aahm.0\)-20211208

AND

zyxelgs1900-24hpMatch-

Node

zyxelgs1900-24hpv2_firmwareRange<2.70\(aatp.0\)-20211208

AND

zyxelgs1900-24hpv2Match-

Node

zyxelgs1900-48_firmwareRange<2.70\(aahn.0\)-20211208

AND

zyxelgs1900-48Match-

Node

zyxelgs1900-48hp_firmwareRange<2.70\(aaho.0\)-20211208

AND

zyxelgs1900-48hpMatch-

Node

zyxelgs1900-48hpv2_firmwareRange<2.70\(abtq.0\)-20211208

AND

zyxelgs1900-48hpv2Match-

CPENameOperatorVersion
zyxel:gs1900-8_firmwarezyxel gs1900-8 firmwarelt2.70\(aahh.0\)-20211208

CPE	Name	Operator	Version
zyxel:gs1900-8_firmware	zyxel gs1900-8 firmware	lt	2.70\(aahh.0\)-20211208

CNA Affected

[
  {
    "product": "GS1900 series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "2.60"
      }
    ]
  }
]

References

www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.2%

JSON

Related for CVE-2021-35032

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