What is the CVSS score of CVE-2026-20002?

CVE-2026-20002 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of Cisco are affected by CVE-2026-20002?

A SQL injection vulnerability in Cisco Secure FMC's management interface could allow authenticated attackers to access, modify, or delete sensitive security data and configurations.

How to fix or mitigate CVE-2026-20002?

Within 24 hours: Inventory all Cisco Secure FMC deployments and restrict management interface access to trusted networks only via network firewall rules. Within 7 days: Implement Web Application Firewall (WAF) rules to block SQL injection patterns on management interface endpoints, enable enhanced logging on authentication and database queries, and brief incident response teams. Within 30 days: Monitor Cisco security advisories for patch availability, plan maintenance windows for emergency patching, and evaluate network segmentation to isolate FMC from untrusted network segments.

Cisco CVE-2026-20002

HIGH

SQL Injection (CWE-89)

2026-03-04 psirt@cisco.com

Cisco SQLi

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:05 vuln.today

CVE Published

Mar 04, 2026 - 18:16 nvd

HIGH 8.1

DescriptionCVE.org

A vulnerability in the web-based management interface 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 full access to the database and read certain files on the underlying operating system. To exploit this vulnerability, the attacker would need valid user credentials.

AnalysisAI

Unauthenticated SQL injection in Cisco Secure FMC's web management interface allows authenticated attackers to manipulate database queries and extract sensitive data or read operating system files. The vulnerability stems from insufficient input validation on user-supplied requests, requiring valid credentials to exploit. No patch is currently available.

Technical ContextAI

Classified as CWE-89 (SQL Injection). Affects the web-based management component of web-based management interface of Cisco Secure FMC Software. A vulnerability in the web-based management interface 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 full access to the database and read certain files on the underlying operating system

Affected ProductsAI

Product: web-based management interface of Cisco Secure FMC Software. Component: web-based management.

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.