5.3

CVE-2017-7639: qnap nas_proxy_server Improper Authentication

CVSS: 5.3v3.0MediumModified
Published 05-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-7639 is a medium (CVSS 5.3) Improper Authentication vulnerability in qnap nas_proxy_server. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64.1% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.06%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

QNAP NAS application Proxy Server through version 1.2.0 does not authenticate requests properly. Successful exploitation can lead to change of the settings of Proxy Server.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.06%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

-0.04 pp

From 1.10% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.06%

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

Qnap1 product

1 vendor · 1 product

References

2 links