How severe is CVE-2020-3219?

CVE-2020-3219 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-2020-3219 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3219?

CVE-2020-3219 primarily affects Cisco Ios Xe. In total, 92 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3219?

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-2020-3219 published?

CVE-2020-3219 was published on 2020-06-03 and last updated on 2026-06-17.

CVE-2020-3219

CVE-2020-3219 is a high-severity vulnerability in Cisco Ios Xe with a CVSS 3.x base score of 8.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Ios Xe
Published: 2020-06-03
Last modified: 2026-06-17

Description

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject and execute arbitrary commands with administrative privileges on the underlying operating system of an affected device. The vulnerability is due to insufficient validation of user-supplied input to the web UI. An attacker could exploit this vulnerability by submitting crafted input to the web UI. A successful exploit could allow an attacker to execute arbitrary commands with administrative privileges on an affected device.

Frequently asked questions

What is CVE-2020-3219?: A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject and execute arbitrary commands with administrative privileges on the underlying operating system of an affected device. The vulnerability is due to insufficient validation of user-supplied input to the web UI. An attacker could exploit this vulnerability by submitting crafted input to the web UI. A successful exploit could allow an attacker to execute arbitrary commands with administrative privileges on an affected device.
How severe is CVE-2020-3219?: CVE-2020-3219 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-2020-3219 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3219?: CVE-2020-3219 primarily affects Cisco Ios Xe. In total, 92 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3219?: 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-2020-3219 published?: CVE-2020-3219 was published on 2020-06-03 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-web-cmdinj2-fOnjk2LD

Affected products (92)

cpe:2.3:o:cisco:ios_xe:16.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.1.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.2.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.5b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.10:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.4.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.4a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.4s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.5a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.5b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.7a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.7.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.7.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.7.1b:*:*:*:*:*:*:*

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