CVE-2021-26560

CVSS V2 Medium 5.8 CVSS V3 High 7.4
Description
Cleartext transmission of sensitive information vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.
Overview
  • CVE ID
  • CVE-2021-26560
  • Assigner
  • security@synology.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-02-26T22:15:19
  • Last Modified Date
  • 2022-04-26T14:00:50
Weakness Enumerations
CWE URL
CWE-319 http://cwe.mitre.org/data/definitions/319.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:* 1 OR 6.2.3-25426-3
AND
cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:synology:uc3200:-:*:*:*:*:*:*:* 0 OR
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:H/PR:N/UI:N/S:U/C:H/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.4
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.2
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
https://www.synology.com/security/advisory/Synology_SA_20_26 Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159 Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-26560
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26560
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:36 Added to TrackCVE
2022-12-05 22:54:26 2021-02-26T22:15Z 2021-02-26T22:15:19 CVE Published Date updated
2022-12-05 22:54:26 2022-04-26T14:00:50 CVE Modified Date updated
2022-12-05 22:54:26 Analyzed Vulnerability Status updated