How severe is CVE-2020-3318?

CVE-2020-3318 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-3318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3318?

CVE-2020-3318 primarily affects Cisco Secure Firewall Management Center. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3318?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-3318 published?

CVE-2020-3318 was published on 2020-05-06 and last updated on 2026-06-17.

CVE-2020-3318

CVE-2020-3318 is a critical-severity vulnerability in Cisco Secure Firewall Management Center with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Cisco Secure Firewall Management Center
Published: 2020-05-06
Last modified: 2026-06-17

Description

Multiple vulnerabilities in Cisco Firepower Management Center (FMC) Software and Cisco Firepower User Agent Software could allow an attacker to access a sensitive part of an affected system with a high-privileged account. For more information about these vulnerabilities, see the Details section of this advisory.

Frequently asked questions

What is CVE-2020-3318?: Multiple vulnerabilities in Cisco Firepower Management Center (FMC) Software and Cisco Firepower User Agent Software could allow an attacker to access a sensitive part of an affected system with a high-privileged account. For more information about these vulnerabilities, see the Details section of this advisory.
How severe is CVE-2020-3318?: CVE-2020-3318 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-3318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3318?: CVE-2020-3318 primarily affects Cisco Secure Firewall Management Center. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-3318 published?: CVE-2020-3318 was published on 2020-05-06 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmcua-statcred-weeCcZct

Affected products (13)

cpe:2.3:a:cisco:secure_firewall_management_center:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:6.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:6.2.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:6.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:6.4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:6.5.0:*:*:*:*:*:*:*

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