CVE-2017-15887

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Summary

CVECVE-2017-15887
StatePUBLISHED
Assignersynology
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-11-07 15:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-307 | CWE-307 Improper Restriction of Excessive Authentication Attempts (CWE-307)

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Synology Carddav Server All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Synology Synology CardDAV Server affected before 6.0.7-0085 Not specified

References

ReferenceSourceLinkTags
Synology-SA-17:64 CardDAV Server | Synology Inc. af854a3a-2127-422b-91ae-364da2661108 www.synology.com Issue Tracking, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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