How severe is CVE-2020-3411?

CVE-2020-3411 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-3411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3411?

CVE-2020-3411 affects Cisco Catalyst Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-3411?

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-2020-3411 published?

CVE-2020-3411 was published on 2020-08-17 and last updated on 2026-06-17.

CVE-2020-3411

CVE-2020-3411 is a high-severity vulnerability in Cisco Catalyst Center with a CVSS 3.x base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Catalyst Center
Published: 2020-08-17
Last modified: 2026-06-17

Description

A vulnerability in Cisco DNA Center software could allow an unauthenticated remote attacker access to sensitive information on an affected system. The vulnerability is due to improper handling of authentication tokens by the affected software. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker access to sensitive device information, which includes configuration files.

Frequently asked questions

What is CVE-2020-3411?: A vulnerability in Cisco DNA Center software could allow an unauthenticated remote attacker access to sensitive information on an affected system. The vulnerability is due to improper handling of authentication tokens by the affected software. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker access to sensitive device information, which includes configuration files.
How severe is CVE-2020-3411?: CVE-2020-3411 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-3411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3411?: CVE-2020-3411 affects Cisco Catalyst Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-3411?: 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-2020-3411 published?: CVE-2020-3411 was published on 2020-08-17 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dna-info-disc-3bz8BCgR

Affected products (1)

cpe:2.3:a:cisco:catalyst_center:*:*:*:*:*:*:*:*

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