CVE-2021-20875

CVSS V2 Medium 5.8 CVSS V3 Medium 6.1
Description
Open redirect vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows a remote unauthenticated attacker to redirect users to arbitrary web sites and conduct phishing attacks by having a user to access a specially crafted URL.
Overview
  • CVE ID
  • CVE-2021-20875
  • Assigner
  • vultures@jpcert.or.jp
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-24T07:15:06
  • Last Modified Date
  • 2022-01-10T13:08:20
Weakness Enumerations
CWE URL
CWE-601 http://cwe.mitre.org/data/definitions/601.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:groupsession:groupsession:*:*:*:*:cloud:*:*:* 1 OR 5.1.1
cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:* 1 OR 5.1.1
cpe:2.3:a:groupsession:groupsession:*:*:*:*:zion:*:*:* 1 OR 5.1.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://groupsession.jp/info/info-news/security20211220 Vendor Advisory
https://jvn.jp/en/jp/JVN79798166/index.html Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20875
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20875
History
Created Old Value New Value Data Type Notes
2022-05-10 06:37:57 Added to TrackCVE
2022-12-06 04:49:06 2021-12-24T07:15Z 2021-12-24T07:15:06 CVE Published Date updated
2022-12-06 04:49:06 2022-01-10T13:08:20 CVE Modified Date updated
2022-12-06 04:49:06 Analyzed Vulnerability Status updated