CVE-2022-34746

CVSS V2 None CVSS V3 Medium 5.9
Description
An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pair generation was found in Zyxel GS1900 series firmware versions prior to V2.70. This vulnerability could allow an unauthenticated attacker to retrieve a private key by factoring the RSA modulus N in the certificate of the web administration interface.
Overview
  • CVE ID
  • CVE-2022-34746
  • Assigner
  • security@zyxel.com.tw
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-09-20T02:15:08
  • Last Modified Date
  • 2022-09-22T12:56:18
Weakness Enumerations
CWE URL
CWE-331 http://cwe.mitre.org/data/definitions/331.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:zyxel:gs1900-8_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahh.3\)c0
cpe:2.3:h:zyxel:gs1900-8:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-8hp_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahi.3\)c0
cpe:2.3:h:zyxel:gs1900-8hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aazi.3\)c0
cpe:2.3:h:zyxel:gs1900-10hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-16_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahj.3\)c0
cpe:2.3:h:zyxel:gs1900-16:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahl.3\)c0
cpe:2.3:h:zyxel:gs1900-24:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24e_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahk.3\)c0
cpe:2.3:h:zyxel:gs1900-24e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24ep_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(abto.3\)c0
cpe:2.3:h:zyxel:gs1900-24ep:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-24hpv2_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(abtp.3\)c0
cpe:2.3:h:zyxel:gs1900-24hpv2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(aahn.3\)c0
cpe:2.3:h:zyxel:gs1900-48:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:gs1900-48hpv2_firmware:*:*:*:*:*:*:*:* 1 OR 2.70\(abtq.3\)c0
cpe:2.3:h:zyxel:gs1900-48hpv2:-:*:*:*:*:*:*:* 0 OR
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficient-entropy-vulnerability-of-gs1900-series-switches
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-34746
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34746
History
Created Old Value New Value Data Type Notes
2022-09-20 03:00:06 Added to TrackCVE