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cve[email protected]CVE-2021-26561
HistoryFeb 26, 2021 - 10:15 p.m.

CVE-2021-26561

2021-02-2622:15:19
CWE-119
CWE-121
web.nvd.nist.gov
59
4
cve-2021-26561
synology
dsm
vulnerability
buffer overflow
http header
nvd

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.7%

Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

Affected configurations

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

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

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.7%

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