5.4med

CVE-2018-8927

Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.4
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.9%
percentile 60%
Public exploits
0
none known

Summary

Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter.

Exploit prediction (EPSS)

0.91% probability of exploitation in the next 30 days, higher than 60% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.05.4CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CNA3.05.4CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
NVD3.06.5CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD2.04.0AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

  • Synology Calendar

Classification

Weakness

References

  • synology.com /en-global/support/security/Synology_SA_18_16 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.