How severe is CVE-2020-26076?

CVE-2020-26076 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-2020-26076 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26076?

CVE-2020-26076 affects Cisco Iot Field Network Director. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26076?

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-2020-26076 published?

CVE-2020-26076 was published on 2020-11-18 and last updated on 2026-06-17.

CVE-2020-26076

CVE-2020-26076 is a high-severity vulnerability in Cisco Iot Field Network Director 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Iot Field Network Director
Published: 2020-11-18
Last modified: 2026-06-17

Description

A vulnerability in Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive database information on an affected device. The vulnerability is due to the absence of authentication for sensitive information. An attacker could exploit this vulnerability by sending crafted curl commands to an affected device. A successful exploit could allow the attacker to view sensitive database information on the affected device.

Frequently asked questions

What is CVE-2020-26076?: A vulnerability in Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive database information on an affected device. The vulnerability is due to the absence of authentication for sensitive information. An attacker could exploit this vulnerability by sending crafted curl commands to an affected device. A successful exploit could allow the attacker to view sensitive database information on the affected device.
How severe is CVE-2020-26076?: CVE-2020-26076 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-2020-26076 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26076?: CVE-2020-26076 affects Cisco Iot Field Network Director. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26076?: 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-2020-26076 published?: CVE-2020-26076 was published on 2020-11-18 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-SSI-V2myWX9y

Affected products (1)

cpe:2.3:a:cisco:iot_field_network_director:*:*:*:*:*:*:*:*

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