CVE-2021-34992

CVSS V2 Medium 6.5 CVSS V3 High 8.8
Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Orckestra C1 CMS 6.10. Authentication is required to exploit this vulnerability. The specific flaw exists within Composite.dll. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-14740.
Overview
  • CVE ID
  • CVE-2021-34992
  • Assigner
  • zdi-disclosures@trendmicro.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-11-15T16:15:09
  • Last Modified Date
  • 2021-11-17T16:35:04
Weakness Enumerations
CWE URL
CWE-502 http://cwe.mitre.org/data/definitions/502.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:orckestra:c1_cms:6.10:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-1304/ Third Party Advisory VDB Entry
https://github.com/Orckestra/C1-CMS-Foundation/releases/tag/v6.11 Patch Release Notes Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-34992
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34992
History
Created Old Value New Value Data Type Notes
2022-05-10 06:46:33 Added to TrackCVE
2022-12-05 14:32:32 2021-11-15T16:15Z 2021-11-15T16:15:09 CVE Published Date updated
2022-12-05 14:32:32 2021-11-17T16:35:04 CVE Modified Date updated
2022-12-05 14:32:32 Analyzed Vulnerability Status updated