Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-11455

93
FAUCET Score

CVE-2020-11455 is a critical path traversal vulnerability affecting LimeSurvey versions prior to 4.1.12+200324, specifically within the application/controllers/admin/LimeSurveyFileManager.php component. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network without authentication (AV:N/AC:L/PR:N/UI:N), allowing for complete compromise of confidentiality, integrity, and availability (C:H/I:H/A:H). While not listed on CISA's KEV catalog, public exploit code exists, including Metasploit modules and Nuclei templates, and it has garnered significant community discussion, indicating a high likelihood of exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.1.11CPE matchmatch criteria
cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:*
4.1.12CPE matchmatch criteria
cpe:2.3:a:limesurvey:limesurvey:4.1.12:-:*:*:*:*:*:*
4.1.12CPE matchmatch criteria
cpe:2.3:a:limesurvey:limesurvey:4.1.12:200324:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
96.99%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: LimeSurvey Zip Path Traversals · Apr 2, 2020
Nuclei: CVE-2020-11455 · Jul 29, 2021
ExploitDB: EDB-48297 · Apr 6, 2020
This CVE's current EPSS score of 0.9699 is in the 99th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

packetstormsecurity.com / files/157112/LimeSurvey-4.1.11-Path-Traversal.html
ExploitThird Party AdvisoryVDB Entry
github.com / LimeSurvey/LimeSurvey/commit/daf50ebb16574badfb7ae0b8526ddc5871378f1b
PatchThird Party Advisory
exploit-db.com / exploits/48297
ExploitThird Party AdvisoryVDB Entry