HIGH
CVE-2019-16177
CWE-200Published: September 9, 2019· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
In Limesurvey before 3.17.14, the entire database is exposed through browser caching.
Technical Analysis
CVE-2019-16177 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
limesurvey1 product(s)
limesurvey
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://github.com/LimeSurvey/LimeSurvey/commit/5870fd1037058bc4e43cccf893b576c72293371e#diff-d539f3f8185667ee48db78e1bf65a3b4R53Patch · Release Notes · Third Party Advisory
→
https://www.limesurvey.org/limesurvey-updates/2188-limesurvey-3-17-14-build-190902-releasedRelease Notes · Vendor Advisory
→
https://github.com/LimeSurvey/LimeSurvey/commit/5870fd1037058bc4e43cccf893b576c72293371e#diff-d539f3f8185667ee48db78e1bf65a3b4R53Patch · Release Notes · Third Party Advisory
→
https://www.limesurvey.org/limesurvey-updates/2188-limesurvey-3-17-14-build-190902-releasedRelease Notes · Vendor Advisory
Quick Facts
CVE IDCVE-2019-16177
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedSep 9, 2019
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-16177 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.