9.1

CVE-2019-12583: zyxel uag2100_firmware Forced Browsing

CVSS: 9.1v3.0CriticalModified
Published 27-06-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-12583 is a critical (CVSS 9.1) Forced Browsing vulnerability in zyxel uag2100_firmware. EPSS estimates a 43.93% chance of exploitation in the next 30 days, higher than 98.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.0 (NVD)
EPSS score
43.93%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 0 · Duplicates 1

Timeline

  1. 27-06-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator. This can lead to unauthorised network access or Denial of Service.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

43.93%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 43.93% on 19-09-2026

19-09-202619-10-2026
EPSS score
43.93%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (n-thumann.de)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Zyxel14 products

1 vendor · 14 products

References

2 links