CVE-2021-3312

CVSS V2 Medium 4 CVSS V3 Medium 6.5
Description
An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server's file system by uploading a crafted SVG document.
Overview
  • CVE ID
  • CVE-2021-3312
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-08T15:15:09
  • Last Modified Date
  • 2021-10-15T13:42:35
Weakness Enumerations
CWE URL
CWE-611 http://cwe.mitre.org/data/definitions/611.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:alkacon:opencms:11.0:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:alkacon:opencms:11.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:alkacon:opencms:11.0.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/alkacon/opencms-core/releases Release Notes Third Party Advisory
https://github.com/alkacon/opencms-core/issues/725 Exploit Issue Tracking Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3312
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3312
History
Created Old Value New Value Data Type Notes
2022-05-10 06:51:34 Added to TrackCVE
2022-12-05 12:04:43 2021-10-08T15:15Z 2021-10-08T15:15:09 CVE Published Date updated
2022-12-05 12:04:43 2021-10-15T13:42:35 CVE Modified Date updated
2022-12-05 12:04:43 Analyzed Vulnerability Status updated