CVE-2021-35032

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
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.
Overview
  • CVE ID
  • CVE-2021-35032
  • Assigner
  • security@zyxel.com.tw
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-28T11:15:07
  • Last Modified Date
  • 2022-01-07T17:01:25
Weakness Enumerations
CWE URL
CWE-78 http://cwe.mitre.org/data/definitions/78.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:zyxel:gs1900-8_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahh.0\)-20211208
cpe:2.3:h:zyxel:gs1900-8:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-8hp_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahi.0\)-20211208
cpe:2.3:h:zyxel:gs1900-8hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aazi.0\)-20211208
cpe:2.3:h:zyxel:gs1900-10hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-16_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahj.0\)-20211208
cpe:2.3:h:zyxel:gs1900-16:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24e_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahk.0\)-20211208
cpe:2.3:h:zyxel:gs1900-24e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24ep_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(abto.0\)-20211208
cpe:2.3:h:zyxel:gs1900-24ep:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahl.0\)-20211208
cpe:2.3:h:zyxel:gs1900-24:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24hp_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahm.0\)-20211208
cpe:2.3:h:zyxel:gs1900-24hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24hpv2_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aatp.0\)-20211208
cpe:2.3:h:zyxel:gs1900-24hpv2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahn.0\)-20211208
cpe:2.3:h:zyxel:gs1900-48:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-48hp_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aaho.0\)-20211208
cpe:2.3:h:zyxel:gs1900-48hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-48hpv2_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(abtq.0\)-20211208
cpe:2.3:h:zyxel:gs1900-48hpv2:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-35032
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35032
History
Created Old Value New Value Data Type Notes
2022-05-10 06:38:04 Added to TrackCVE
2022-12-06 05:16:50 2021-12-28T11:15Z 2021-12-28T11:15:07 CVE Published Date updated
2022-12-06 05:16:50 2022-01-07T17:01:25 CVE Modified Date updated
2022-12-06 05:16:50 Analyzed Vulnerability Status updated