How severe is CVE-2017-3806?

CVE-2017-3806 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2017-3806 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3806?

CVE-2017-3806 primarily affects Cisco Firepower Threat Defense. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-3806?

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

When was CVE-2017-3806 published?

CVE-2017-3806 was published on 2017-02-03 and last updated on 2026-06-17.

CVE-2017-3806

CVE-2017-3806 is a medium-severity vulnerability in Cisco Firepower Threat Defense with a CVSS 3.x base score of 5.3. 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-78.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.6
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Cisco Firepower Threat Defense
Published: 2017-02-03
Last modified: 2026-06-17

Description

A vulnerability in CLI command processing in the Cisco Firepower 4100 Series Next-Generation Firewall and Cisco Firepower 9300 Security Appliance could allow an authenticated, local attacker to inject arbitrary shell commands that are executed by the device. More Information: CSCvb61343. Known Affected Releases: 2.0(1.68). Known Fixed Releases: 2.0(1.118) 2.1(1.47) 92.1(1.1646) 92.1(1.1763) 92.2(1.101).

Frequently asked questions

What is CVE-2017-3806?: A vulnerability in CLI command processing in the Cisco Firepower 4100 Series Next-Generation Firewall and Cisco Firepower 9300 Security Appliance could allow an authenticated, local attacker to inject arbitrary shell commands that are executed by the device. More Information: CSCvb61343. Known Affected Releases: 2.0(1.68). Known Fixed Releases: 2.0(1.118) 2.1(1.47) 92.1(1.1646) 92.1(1.1763) 92.2(1.101).
How severe is CVE-2017-3806?: CVE-2017-3806 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2017-3806 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3806?: CVE-2017-3806 primarily affects Cisco Firepower Threat Defense. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-3806?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-3806 published?: CVE-2017-3806 was published on 2017-02-03 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:cisco:firepower_threat_defense:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:6.1.0:*:*:*:*:*:*:*

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