6.1

CVE-2022-0734: zyxel atp series firmware Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 24-05-2022Last modified 02-08-2024

Vulnerability summary

CVE-2022-0734 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in zyxel atp series firmware. EPSS estimates a 9.40% chance of exploitation in the next 30 days, higher than 95.3% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
9.40%
0%100%
Low · +0.22 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-05-2022
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.35 through 5.20, and VPN series firmware versions 4.35 through 5.20, that could allow an attacker to obtain some information stored in the user's browser, such as cookies or session tokens, via a malicious script.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

9.40%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

+0.22 pp

From 9.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
9.40%

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

Zyxel36 products

1 vendor · 36 products

References

1 links