What is CVE-2018-20609?

CVE-2018-20609 is a medium-severity vulnerability in Txjia Imcat, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-12-30.

How severe is CVE-2018-20609?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2018-20609 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Txjia Imcat

CVE-2018-20609

imcat 4.4 allows remote attackers to obtain potentially sensitive configuration information via the root/tools/adbug/check.php URI.

Vulnerability class: Information Disclosure

Published 2018-12-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.027 (85.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Txjia Imcat — versions 4.4

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

SexyBeast233/SecBooks

References

github.com/AvaterXXX/CVEs/blob/master/imcat.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20609?: CVE-2018-20609 is a medium-severity vulnerability in Txjia Imcat, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-12-30.
How severe is CVE-2018-20609?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2018-20609 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.