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cve[email protected]CVE-2021-26565
HistoryFeb 26, 2021 - 10:15 p.m.

CVE-2021-26565

2021-02-2622:15:20
CWE-319
web.nvd.nist.gov
49
2
cve-2021-26565
cleartext transmission
synology diskstation manager
dsm
vulnerability
http session
man-in-the-middle

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

8.3 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.5%

Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to obtain sensitive information via an HTTP session.

Affected configurations

NVD
Node
synologydiskstation_managerRange<6.2.3-25426-3
Node
synologyvs960hdMatch-
AND
synologyvs960hd_firmwareMatch-
Node
synologyskynasMatch-
AND
synologyskynas_firmwareMatch-
Node
synologyuc3200Match-
AND
synologydiskstation_manager_unified_controllerMatch3.0

CNA Affected

[
  {
    "product": "Synology DiskStation Manager (DSM)",
    "vendor": "Synology",
    "versions": [
      {
        "lessThan": "6.2.3-25426-3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

8.3 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.5%

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