CVE-2026-20003
Authenticated SQL Injection in Cisco FMC REST API
Published Mar 4, 2026
CVSS 3.1 · 4.9 Medium
EPSS < 1%
KEV · Not listed
Description
A vulnerability in the REST API of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system.
This vulnerability is due to inadequate validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted requests to an affected device. A successful exploit could allow the attacker to obtain read access to the database and read certain files on the underlying operating system. To exploit this vulnerability, the attacker would need valid user credentials with any of the following roles:
Administrator
Security approver
Intrusion admin
Access admin
Network admin
This vulnerability is due to inadequate validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted requests to an affected device. A successful exploit could allow the attacker to obtain read access to the database and read certain files on the underlying operating system. To exploit this vulnerability, the attacker would need valid user credentials with any of the following roles:
Administrator
Security approver
Intrusion admin
Access admin
Network admin
Affected Products
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CVE record
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NVD configurations
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Red Hat packages
No data
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OpenCVE enrichment
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Cisco | Cisco Secure Firewall Management Center (FMC) | affected |
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Configuration 1 [-]
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No data.
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| Cisco | Secure Firewall Management Center |
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Remediation
Tracking
Advisories
Metrics
No CVSS v4.0
Attack Vector Network
Attack Complexity Low
Privileges Required High
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
User Interaction None
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.327% probability within 30 days)
Exploitation none
Automatable no
Technical Impact partial
References
History
Apr 17, 2026 1:30 PM
Title updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Authenticated SQL Injection in Cisco FMC REST API |
Mar 5, 2026 9:15 AM
First appearance in the feed. Affected vendors updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Cisco
Cisco secure Firewall Management Center |
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| Vendors & Products |
Cisco
Cisco secure Firewall Management Center |
Mar 4, 2026 10:15 PM
Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mar 4, 2026 5:30 PM
Description updated. Weaknesses updated. Added references. Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A vulnerability in the REST API of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability is due to inadequate validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted requests to an affected device. A successful exploit could allow the attacker to obtain read access to the database and read certain files on the underlying operating system. To exploit this vulnerability, the attacker would need valid user credentials with any of the following roles: Administrator Security approver Intrusion admin Access admin Network admin | |
| Weaknesses | CWE-89 | |
| References |
| |
| Metrics |
cvssV3_1
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Subscriptions
Weaknesses
