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ExploitedNot in CISA KEV yetFix available

CVE-2020-11455

Exploitation confirmed. First attested on 2023-10-14 by GCVE · kevintel, GCVE · shadowserver.

  • Published2020-04-01
  • Fixed in4.1.13 · 4.1.12
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

LimeSurvey before 4.1.12+200324 contains a path traversal vulnerability in application/controllers/admin/LimeSurveyFileManager.php.

Timeline

dates in UTC
  1. 2020-04-0116:15CVE publishedNVD
  2. 2020-04-06Exploit-DB entryExploit-DB
  3. 2023-10-1414:56Listed as exploited by GCVEGCVE
  4. 2023-10-1414:56Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-11455?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-11455?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
limesurvey
BranchAffectedFixed in
4.1≥ 4.1.12, < 4.1.134.1.13
4.1< 4.1.124.1.12
4.1≥ 4.1.12-200324, < 4.1.124.1.12
Limesurvey
BranchAffectedFixed in
4.1≤ 4.1.11no fix published
4.1= 4.1.12no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update limesurvey to 4.1.13 · 4.1.12

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
EDB-48297
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleauxiliary/scanner/http/limesurvey_zip_traversalsrank: normalModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-04-01
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-11455?

LimeSurvey before 4.1.12+200324 contains a path traversal vulnerability in application/controllers/admin/LimeSurveyFileManager.php.

Is CVE-2020-11455 actively exploited?

Active exploitation of CVE-2020-11455 has not been confirmed. Its EPSS score was 97.0% on 2026-11-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-11455?

CVE-2020-11455 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record