Critical severity · published Nov 7, 2017
CVE-2017-15887
An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers to obtain user…
9.8
CVSS
1.9%
EPSS
No
On KEV
Description
An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers to obtain user credentials via a brute-force attack.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Carddav Server · Synology
before 6.0.7-0085 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15887
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15887
Issue Tracking
https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server
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