6.8

CVE-2015-2851: synology cloud_station

CVSS: 6.8v2.0MediumModified
Published 30-05-2015Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-2851 is a medium (CVSS 6.8) vulnerability in synology cloud_station. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.4% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
0.75%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-05-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X allows local users to change the ownership of arbitrary files, and consequently obtain root access, by specifying a filename.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.75%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

-0.01 pp

From 0.76% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.75%

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

Synology1 product
  • cloud_station1.1-2291 | 2.0-2291 | 2.0-2402 | 2.1-2561 | 2.1-2570 | 2.1-2577 | 3.0-3005 | 3.0-3103 | 3.0-3108 | 3.0-3109 | 3.0-3111 | 3.1-3317 | 3.1-3320

1 vendor · 1 product

References

3 links