How severe is CVE-2017-12221?

CVE-2017-12221 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-12221 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12221?

CVE-2017-12221 affects Cisco Secure Firewall Management Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12221?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-12221 published?

CVE-2017-12221 was published on 2017-09-07 and last updated on 2026-06-17.

CVE-2017-12221

CVE-2017-12221 is a medium-severity vulnerability in Cisco Secure Firewall Management Center with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Secure Firewall Management Center
Published: 2017-09-07
Last modified: 2026-06-17

Description

A vulnerability in the web framework of Cisco Firepower Management Center could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface of the affected software. The vulnerability is due to insufficient validation of user-supplied input by the affected software. Successful exploitation of this vulnerability could allow the attacker to execute arbitrary code in the context of the affected system. Cisco Bug IDs: CSCvc38983.

Frequently asked questions

What is CVE-2017-12221?: A vulnerability in the web framework of Cisco Firepower Management Center could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface of the affected software. The vulnerability is due to insufficient validation of user-supplied input by the affected software. Successful exploitation of this vulnerability could allow the attacker to execute arbitrary code in the context of the affected system. Cisco Bug IDs: CSCvc38983.
How severe is CVE-2017-12221?: CVE-2017-12221 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-12221 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12221?: CVE-2017-12221 affects Cisco Secure Firewall Management Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12221?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-12221 published?: CVE-2017-12221 was published on 2017-09-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:secure_firewall_management_center:-:*:*:*:*:*:*:*

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