How severe is CVE-2019-1647?

CVE-2019-1647 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-1647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1647?

CVE-2019-1647 primarily affects Cisco Sd-wan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-1647?

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-2019-1647 published?

CVE-2019-1647 was published on 2019-01-24 and last updated on 2026-06-17.

CVE-2019-1647

CVE-2019-1647 is a high-severity vulnerability in Cisco Sd-wan with a CVSS 3.x base score of 8.0. 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-284.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 7.7
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Cisco Sd-wan
Published: 2019-01-24
Last modified: 2026-06-17

Description

A vulnerability in the Cisco SD-WAN Solution could allow an authenticated, adjacent attacker to bypass authentication and have direct unauthorized access to other vSmart containers. The vulnerability is due to an insecure default configuration of the affected system. An attacker could exploit this vulnerability by directly connecting to the exposed services. An exploit could allow the attacker to retrieve and modify critical system files.

Frequently asked questions

What is CVE-2019-1647?: A vulnerability in the Cisco SD-WAN Solution could allow an authenticated, adjacent attacker to bypass authentication and have direct unauthorized access to other vSmart containers. The vulnerability is due to an insecure default configuration of the affected system. An attacker could exploit this vulnerability by directly connecting to the exposed services. An exploit could allow the attacker to retrieve and modify critical system files.
How severe is CVE-2019-1647?: CVE-2019-1647 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-1647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1647?: CVE-2019-1647 primarily affects Cisco Sd-wan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-1647?: 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-2019-1647 published?: CVE-2019-1647 was published on 2019-01-24 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:vsmart_controller:-:*:*:*:*:*:*:*

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