CVE-2021-32588

CRITICAL

A use of hard-coded credentials (CWE-798) vulnerability in FortiPortal versions 5.2.5 and below, 5.3.5 and below, 6.0.4 and below, versions 5.1.x and 5.0.x may allow a remote and unauthenticated at...

Affects 1 product across 1 vendor.

CVSS 3.19.8
EPSS3.3%
Percentile88th
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, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-798: Use of Hard-Coded Credentials

Software contains embedded passwords or keys that cannot be changed by the administrator.

Related Attack Patterns (CAPEC)
CAPEC-70 Try Common or Default Usernames and Passwords
via CWE-798
CAPEC-191 Read Sensitive Constants Within an Executable
via CWE-798

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

◆ AI Analysis — automated analysis, not human-reviewed

A critical vulnerability in FortiPortal versions 5.2.5 and below, 5.3.5 and below, 6.0.4 and below, and versions 5.1.x and 5.0.x allows remote, unauthenticated attackers to execute unauthorized commands as root due to hard-coded credentials in the Tomcat Manager.

BSID: BS-2021-GLOBAL-275553-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2021-32588?
A critical vulnerability in FortiPortal versions 5.2.5 and below, 5.3.5 and below, 6.0.4 and below, and versions 5.1.x and 5.0.x allows remote, unauthenticated attackers to execute unauthorized commands as root due to hard-coded credentials in the Tomcat Manager.
What is the CVSS score for CVE-2021-32588?
CVE-2021-32588 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 3.3%.
Is CVE-2021-32588 actively exploited?
No confirmed active exploitation of CVE-2021-32588 as of 2026-09-25.
How do I remediate CVE-2021-32588?
Priority: IMMEDIATE. PSIRT: [email protected]
What systems are affected by CVE-2021-32588?
CVE-2021-32588 affects: Fortinet.
Vulnerability Details
CVE IDCVE-2021-32588
BSIDBS-2021-GLOBAL-275553-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2021-08-18
Last Modified2026-06-17
ICS Relevance70%
Weakness (CWE)
Domains
NETWORK-INFRA
SourceNVD
Official Description

A use of hard-coded credentials (CWE-798) vulnerability in FortiPortal versions 5.2.5 and below, 5.3.5 and below, 6.0.4 and below, versions 5.1.x and 5.0.x may allow a remote and unauthenticated attacker to execute unauthorized commands as root by uploading and deploying malicious web application archive files using the default hard-coded Tomcat Manager username and password.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability arises from the use of hard-coded credentials for the Tomcat Manager, which can be exploited by an attacker to upload and deploy malicious web application archive files, leading to unauthorized command execution with root privileges.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Fortinet Fortiportal ≥ 5.0.0, ≤ 5.0.3 ≥ 5.1.0, ≤ 5.1.2 ≥ 5.2.0, ≤ 5.2.5 ≥ 5.3.0, ≤ 5.3.5 ≥ 6.0.0, ≤ 6.0.4
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1874 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 Hash320a67253077f1a81764ba6318cfc9fc5334875506f268e14711e8a7249a17dedcc9d9d08a9bc7c0997cf1daee8890e856ad16d828bb9b2640763dd6174b9253
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