CVE-2021-31520

CVSS V2 Medium 6.8 CVSS V3 High 8.1
Description
A weak session token authentication bypass vulnerability in Trend Micro IM Security 1.6 and 1.6.5 could allow an remote attacker to guess currently logged-in administrators' session session token in order to gain access to the product's web management interface.
Overview
  • CVE ID
  • CVE-2021-31520
  • Assigner
  • security@trendmicro.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-10T11:15:08
  • Last Modified Date
  • 2021-05-19T18:25:09
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:trendmicro:im_security:1.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:trendmicro:im_security:1.6.5:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.2
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-525/ Third Party Advisory VDB Entry
https://success.trendmicro.com/solution/000286439 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-31520
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31520
History
Created Old Value New Value Data Type Notes
2022-05-10 16:15:34 Added to TrackCVE
2022-12-05 01:53:41 2021-05-10T11:15Z 2021-05-10T11:15:08 CVE Published Date updated
2022-12-05 01:53:41 2021-05-19T18:25:09 CVE Modified Date updated
2022-12-05 01:53:41 Analyzed Vulnerability Status updated