CVE-2020-18191

CRITICAL

GetSimpleCMS-3.3.15 is affected by directory traversal. Remote attackers are able to delete arbitrary files via /GetSimpleCMS-3.3.15/admin/log.php

Affects 1 product across 1 vendor.

CVSS 3.19.1
EPSS2.1%
Percentile81th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, no confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-22: Path Traversal

Attacker manipulates file path inputs to access files outside the intended directory.

Related Attack Patterns (CAPEC)
CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
via CWE-22
CAPEC-76 Manipulating Web Input to File System Calls
via CWE-22
CAPEC-78 Using Escaped Slashes in Alternate Encoding
via CWE-22
CAPEC-79 Using Slashes in Alternate Encoding
via CWE-22
CAPEC-126 Path Traversal
via CWE-22

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

GetSimpleCMS version 3.3.15 is vulnerable to a directory traversal attack that allows remote attackers to delete arbitrary files via the /GetSimpleCMS-3.3.15/admin/log.php endpoint.

BSID: BS-2020-GLOBAL-146907-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2020-18191?
GetSimpleCMS version 3.3.15 is vulnerable to a directory traversal attack that allows remote attackers to delete arbitrary files via the /GetSimpleCMS-3.3.15/admin/log.php endpoint.
What is the CVSS score for CVE-2020-18191?
CVE-2020-18191 has CVSS 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. EPSS: 2.1%.
Is CVE-2020-18191 actively exploited?
No confirmed active exploitation of CVE-2020-18191 as of 2026-09-25.
How do I remediate CVE-2020-18191?
Priority: IMMEDIATE.
What systems are affected by CVE-2020-18191?
CVE-2020-18191 affects Get-Simple Getsimplecms.
Vulnerability Details
CVE IDCVE-2020-18191
BSIDBS-2020-GLOBAL-146907-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Published2020-10-02
Last Modified2026-06-17
ICS Relevance15%
Weakness (CWE)
Path Traversal
SourceNVD
Official Description

GetSimpleCMS-3.3.15 is affected by directory traversal. Remote attackers are able to delete arbitrary files via /GetSimpleCMS-3.3.15/admin/log.php

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability stems from improper validation of user-supplied input in the log.php file, enabling attackers to manipulate file paths and delete files outside the intended directory.

Exploitation Likelihood: HIGH

Affected Products
VendorProductAffected Versions
Get-Simple Getsimplecms 3.3.15
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2204 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hashf4a14f0486988f110080abc9dac10af7005442752fa4e4275898fb5a94d64cac698be7aede212f3b5f56a7e23e9225732757ba494249ca40a320af4da3453ef0
Related CVEs affecting Get-Simple
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