High severity · published Jun 23, 2021
CVE-2021-29087
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows…
7.5
CVSS
1.4%
EPSS
No
On KEV
Description
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to write arbitrary files via unspecified vectors.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DM
Diskstation Manager · Synology
6.2 before 6.2.3-25426-3 · source: NVD
DM
Diskstation Manager Unified Controller · Synology
before 3.1-23033 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29087
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29087
Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_20_26
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