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01 Record

CVE-2026-20326

Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Missing Authentication for Critical Function

CriticalPUBLISHEDCNA: cisco
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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02 Description

Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Missing Authentication for Critical Function

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.58% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 47.4% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-09-18.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-09-16 20:02Z1 MO AGO
Last updated
2026-09-18 13:41Z1 MO AGO
Reserved
2025-10-08
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Critical (CVSS 9.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-306Missing Authentication for Critical FunctionBase
Data version
5.2
Document digest
ce919d9cfcb4a905a16ec7f8d70c098cafe964987ffd1b2372c078ad41f676ea

05 Affected products

VendorProductVersionsPlatforms
CiscoCisco Nexus Dashboard2.1(1d), 2.1(1e), 2.1(2d), 2.2(1h), 2.2(1e), 2.2(2d), 2.1(2f), 2.3(1c), 2.3(2b), 2.3(2c), 2.3(2d), 2.3(2e), 3.0(1f), 3.0(1i), 3.1(1k), 3.1(1l), 3.2(1e), 3.2(1i), 3.3(1a), 3.3(1b), 3.3(2b), 4.0(1i), 3.3(2g), 3.2(2f), 3.2(2g), 3.2(2m), 3.1(1n), 4.1(1g), 4.2.1—

06 References