CVE-2025-34120: LimeSurvey GmbH LimeSurvey

LimeSurvey 2.0+ - 2.06+ Unauthenticated Arbitrary File Download via Serialized Backup Payload

CVSS 8.7 HighEPSS 0.020 · 80th percentile

Published by the CVE Program (CNA: VulnCheck) at 16 Jul 2025, 21:05 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
LimeSurvey GmbH	LimeSurvey	affected 2.0+ to 2.06+ Build 151014, inclusive custom Other versions: unaffected

Identifiers

CVE-2025-34120

CNA

VulnCheck

Weakness (CWE)

CWE-22 · CWE-306

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.7	High	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.020, the 80th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Jul 2025. New records show when each source confirmed them.

Sources

References from the CNA

web.archive.org/web/20210123073627/https://www.limesurvey.org/blog/22-security/136-limesurvey-security-advisory-10-2015 vendor-advisorypatch
sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-lime-survey/ third-party-advisorytechnical-description
www.vulncheck.com/advisories/limesurvey-unauthenticated-arbitrary-file-download third-party-advisory
raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/admin/http/limesurvey_file_download.rb exploit
packetstorm.news/files/id/180855 exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.