How severe is CVE-2017-6320?

CVE-2017-6320 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-6320 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6320?

CVE-2017-6320 affects Barracuda Load Balancer Adc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6320?

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

When was CVE-2017-6320 published?

CVE-2017-6320 was published on 2017-07-18 and last updated on 2026-06-17.

CVE-2017-6320

CVE-2017-6320 is a high-severity vulnerability in Barracuda Load Balancer Adc with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Barracuda Load Balancer Adc
Published: 2017-07-18
Last modified: 2026-06-17

Description

A remote command injection vulnerability exists in the Barracuda Load Balancer product line (confirmed on v5.4.0.004 (2015-11-26) and v6.0.1.006 (2016-08-19); fixed in 6.1.0.003 (2017-01-17)) in which an authenticated user can execute arbitrary shell commands and gain root privileges. The vulnerability stems from unsanitized data being processed in a system call when the delete_assessment command is issued.

Frequently asked questions

What is CVE-2017-6320?: A remote command injection vulnerability exists in the Barracuda Load Balancer product line (confirmed on v5.4.0.004 (2015-11-26) and v6.0.1.006 (2016-08-19); fixed in 6.1.0.003 (2017-01-17)) in which an authenticated user can execute arbitrary shell commands and gain root privileges. The vulnerability stems from unsanitized data being processed in a system call when the delete_assessment command is issued.
How severe is CVE-2017-6320?: CVE-2017-6320 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-6320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6320?: CVE-2017-6320 affects Barracuda Load Balancer Adc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6320?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-6320 published?: CVE-2017-6320 was published on 2017-07-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:barracuda:load_balancer_adc:*:*:*:*:*:*:*:*

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