What is CVE-2019-16177?

CVE-2019-16177 is a high-severity vulnerability in Limesurvey, classified under Information Disclosure. CVSS score: 7.5/10. Published 2019-09-09.

How severe is CVE-2019-16177?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Limesurvey

CVE-2019-16177

In Limesurvey before 3.17.14, the entire database is exposed through browser caching.

Vulnerability class: Information Disclosure

Published 2019-09-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (72.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Limesurvey

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.limesurvey.org/limesurvey-updates/2188-limesurvey-3-17-14-build-190902-rele… (Release Notes, Vendor Advisory)
github.com/LimeSurvey/LimeSurvey/commit/5870fd1037058bc4e43cccf893b576c72293371e (Patch, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-16177?: CVE-2019-16177 is a high-severity vulnerability in Limesurvey, classified under Information Disclosure. CVSS score: 7.5/10. Published 2019-09-09.
How severe is CVE-2019-16177?: High severity. CVSS v3 base score is 7.5 out of 10.