CVE-2018-20369

MEDIUM

Barracuda Message Archiver 2018 has XSS in the error_msg exception-handling value for the ldap_user parameter to the cgi-mod/ldap_load_entry.cgi module. The injection point of the issue is the Add_...

Affects 2 products across 1 vendor.

CVSS 3.06.1
EPSS0.7%
Percentile52th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, requires user interaction, can impact systems beyond the vulnerable component, no availability impact.
CWE Weakness Definitions
CWE-79: Cross-Site Scripting (XSS)

Attacker injects malicious scripts into web pages viewed by other users, executing in the victim's browser context.

Related Attack Patterns (CAPEC)
CAPEC-85 AJAX Footprinting
via CWE-79
CAPEC-209 XSS Using MIME Type Mismatch
via CWE-79
CAPEC-588 DOM-Based XSS
via CWE-79
CAPEC-591 Reflected XSS
via CWE-79
CAPEC-592 Stored XSS
via CWE-79
Show all 6
via CWE-79

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

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2018. A medium severity vulnerability affects Barracuda systems (CVE-2018-20369). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2018-GLOBAL-128347-M • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2018-20369?
This vulnerability was disclosed in 2018. A medium severity vulnerability affects Barracuda systems (CVE-2018-20369). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2018-20369?
CVE-2018-20369 has CVSS 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS: 0.7%.
Is CVE-2018-20369 actively exploited?
No confirmed active exploitation of CVE-2018-20369 as of 2026-05-30.
How do I remediate CVE-2018-20369?
Priority: MONITOR.
What systems are affected by CVE-2018-20369?
CVE-2018-20369 affects Barracuda Message Archiver.
Vulnerability Details
CVE IDCVE-2018-20369
BSIDBS-2018-GLOBAL-128347-M BreachSpider Global ID
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published2018-12-23
Last Modified2024-11-21
ICS Relevance0%
Weakness (CWE)
Cross-Site Scripting (XSS)
SourceNVD
Official Description

Barracuda Message Archiver 2018 has XSS in the error_msg exception-handling value for the ldap_user parameter to the cgi-mod/ldap_load_entry.cgi module. The injection point of the issue is the Add_Update module.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Barracuda Message Archiver 2018 has XSS in the error_msg exception-handling value for the ldap_user parameter to the cgi-mod/ldap_load_entry.cgi module. The injection point of the issue is the Add_Update module. CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Exploitation Likelihood: MINIMAL

Affected Products
VendorProductAffected Versions
Barracuda Message Archiver (device & firmware) 2018
Remediation

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

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2854 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash754b1bf2548cd67be797e69c430a85444b15842573354a9fefa983bc13379c179b9d65545bd701b9ee3db1a456d178df0eb59e6d934bb5dd96838eabf65408a3
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