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01 Record

CVE-2026-20093

Cisco Integrated Management Controller Authentication Bypass Vulnerability

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 Integrated Management Controller Authentication Bypass Vulnerability

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.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • 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
1.00% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 62.9% 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 2026-10-26.
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
2026-04-01 16:28Z7 MO AGO
Last updated
2026-04-02 03:56Z7 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-20Improper Input ValidationClass
Data version
5.2
Document digest
1daeff844fc603af51c3f991704d124bcd36b6f7ddb5664082202aa6aac32c7f

05 Affected products

VendorProductVersionsPlatforms
CiscoCisco Enterprise NFV Infrastructure Software4.1.1, 3.9.1, 3.5.2, 3.12.2, 3.6.2, 3.9.2, 3.11.3, 3.11.1, 3.5.1, 3.3.1, 3.10.2, 3.12.1b, 3.4.1, 3.12.1a, 3.6.3, 3.8.1, 3.11.2, 3.12.1, 3.12.3, 3.10.1, 3.6.1, 3.10.3, 3.7.1, 4.1.2, 4.2.1, 4.2.2, 4.4.1, 4.4.2, 4.5.1, 4.4.3, 4.6.1, 4.7.1, 4.6.2-FC2, 4.6.2-FC3, 4.6.2, 4.8.1, 4.8.2, 4.9.1, 4.6.3, 4.9.2-FC5, 4.9.2, 4.10.1, 4.9.3, 4.11.1, 4.9.4, 4.12.1, 4.6.4, 4.12.2, 4.13.1, 4.9.4-ES8, 4.9.5, 4.12.3, 4.6.5-ES1, 4.9.4-ES9, 4.14.1, 4.6.3-FC4, 4.9.4-FC3, 4.12.4, 4.15.1, 4.9.6, 4.16.1, 4.15.2, 4.12.5, 4.15.3, 4.15.4, 4.18.1, 4.12.6, 4.18.2, 4.18.2a—
CiscoCisco Unified Computing System (Standalone)4.0(2g), 3.1(2i), 3.1(1d), 4.0(4i), 4.1(1c), 4.0(2c), 4.0(1e), 4.0(2h), 4.0(4h), 4.0(1h), 4.0(2l), 3.1(3g), 4.0(1.240), 4.0(2f), 4.0(1g), 4.0(2i), 3.1(3i), 4.0(4d), 4.1(1d), 3.1(3c), 4.0(4k), 3.1(2d), 3.1(3a), 3.1(3j), 4.0(2d), 4.1(1f), 4.0(1c), 4.0(4f), 4.0(4c), 3.1(3d), 3.1(2g), 3.1(2c), 4.0(1d), 3.1(2e), 4.0(1a), 4.0(1b), 3.1(3b), 4.0(4b), 3.1(2b), 4.0(4e), 3.1(3h), 4.0(4l), 4.1(1g), 4.1(2a), 4.0(2n), 4.1(1h), 3.1(3k), 4.1(2b), 4.0(2o), 4.0(4m), 4.1(2d), 4.1(3b), 4.0(2p), 4.1(2e), 4.1(2f), 4.0(4n), 4.0(2q), 4.1(3c), 4.0(2r), 4.1(3d), 4.1(2g), 4.1(2h), 4.1(3f), 4.1(2j), 4.1(2k), 4.1(3h), 4.2(2a), 4.1(3i), 4.2(2f), 4.2(2g), 4.2(3b), 4.1(3l), 4.2(3d), 4.3(1.230097), 4.2(1e), 4.2(1b), 4.2(1j), 4.2(1i), 4.2(1f), 4.2(1a), 4.2(1c), 4.2(1g), 4.3(1.230124), 4.1(2l), 4.2(3e), 4.3(1.230138), 4.2(3g), 4.3(2.230207), 4.2(3h), 4.2(3i), 4.3(2.230270), 4.1(3m), 4.1(2m), 4.3(2.240002), 4.3(3.240022), 4.2(3j), 4.1(3n), 4.3(2.240009), 4.3(3.240043), 4.3(4.240142), 4.3(2.240037), 4.3(2.240053), 4.3(4.240152), 4.2(3l), 4.3(2.240077), 4.3(4.242028), 4.3(4.241063), 4.3(4.242038), 4.2(3m), 4.3(2.240090), 4.3(5.240021), 4.3(2.240107), 4.3(4.242066), 4.2(3n), 4.3(5.250001), 4.2(3o), 4.3(2.250016), 4.3(2.250021), 4.3(5.250030), 4.3(2.250022), 4.3(6.250040), 4.3(5.250033), 4.3(6.250044), 4.3(6.250053), 4.3(2.250037), 4.3(2.250045), 4.3(4.252001), 4.3(4.252002), 6.0(1.250127), 4.2(3p), 6.0(1.250131), 4.3(6.250101), 4.3(6.250117), 4.3(5.250043), 4.3(6.250039), 4.3(5.250045), 4.3(6.250060), 6.0(1.250130), 4.3(4.241014), 4.3(2.250063), 4.3(6.260003)—
CiscoCisco Unified Computing System E-Series Software (UCSE)3.2.7, 3.2.6, 3.2.4, 3.2.10, 3.2.2, 3.2.3, 2.4.0, 3.2.1, 3.2.11.1, 3.2.8, 3.1.1, 3.0.2, 2.1.0, 2.2.2, 3.1.2, 3.0.1, 2.3.2, 2.3.5, 2.2.1, 3.1.4, 2.4.1, 2.3.1, 3.1.3, 2.3.3, 2.4.2, 3.1.5, 3.1.0, 2.0.0, 3.2.11.3, 3.2.11.5, 3.2.12.2, 3.2.13.6, 3.2.14, 4.11.1, 3.2.15, 4.12.1, 3.2.15.3, 4.12.2, 3.2.16.1, 4.00, 4.15.2, 4.02—

06 References