How severe is CVE-2020-3600?

CVE-2020-3600 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-3600 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3600?

CVE-2020-3600 affects Cisco Sd-wan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-3600?

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-2020-3600 published?

CVE-2020-3600 was published on 2020-11-06 and last updated on 2026-06-17.

CVE-2020-3600

CVE-2020-3600 is a high-severity vulnerability in Cisco Sd-wan with a CVSS 3.x base score of 7.8. 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Cisco Sd-wan
Published: 2020-11-06
Last modified: 2026-06-17

Description

A vulnerability in Cisco SD-WAN Software could allow an authenticated, local attacker to elevate privileges to root on the underlying operating system. The vulnerability is due to insufficient security controls on the CLI. An attacker could exploit this vulnerability by using an affected CLI utility that is running on an affected system. A successful exploit could allow the attacker to gain root privileges.

Frequently asked questions

What is CVE-2020-3600?: A vulnerability in Cisco SD-WAN Software could allow an authenticated, local attacker to elevate privileges to root on the underlying operating system. The vulnerability is due to insufficient security controls on the CLI. An attacker could exploit this vulnerability by using an affected CLI utility that is running on an affected system. A successful exploit could allow the attacker to gain root privileges.
How severe is CVE-2020-3600?: CVE-2020-3600 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-3600 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3600?: CVE-2020-3600 affects Cisco Sd-wan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-3600?: 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-2020-3600 published?: CVE-2020-3600 was published on 2020-11-06 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vepeshlg-tJghOQcA

Affected products (1)

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

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