7.5

CVE-2021-28810: qnap roon_server Authentication Bypass by Spoofing

CVSS: 7.5v3.1HighModified
Published 08-06-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-28810 is a high (CVSS 7.5) Authentication Bypass by Spoofing vulnerability in qnap roon_server. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.03%
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. 08-06-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

If exploited, this vulnerability allows an attacker to access resources which are not otherwise accessible without proper authentication. Roon Labs has already fixed this vulnerability in the following versions: Roon Server 2021-05-18 and later

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.03%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.03% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.03%

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
Roon labs1 product

2 vendors · 2 products

References

1 links