9.8

CVE-2017-15887: synology carddav_server

CVSS: 9.8v3.0CriticalModified
Published 07-11-2017Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2017-15887 is a critical (CVSS 9.8) vulnerability in synology carddav_server. EPSS estimates a 1.94% chance of exploitation in the next 30 days, higher than 79.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.94%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-11-2017
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.94%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

0.00 pp

From 1.94% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Synology2 products

1 vendor · 2 products

References

1 links