CVE-2026-20732 (GCVE-0-2026-20732)

Vulnerability from cvelistv5 – Published: 2026-02-04 15:02 – Updated: 2026-02-04 16:08
VLAI
Title
BIG-IP Configuration utility vulnerability
Summary
A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-04 16:07 UTC
CWE
  • CWE-451 - User Interface (UI) Misrepresentation of Critical Information
Assigner
References
Impacted products
Vendor Product Version CPE status
F5 BIG-IP Unaffected: 21.0.0 , < * (custom)
Affected: 17.5.0 , < 17.5.1.4 (custom)
Affected: 17.1.0 , < 17.1.3.1 (custom)
Affected: 16.1.0 , < * (custom)
guessed Create a notification for this product.
Date Public
2026-02-04 15:00
Show details on NVD website

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    "redhat_vex": {
      "current_release_date": "2026-02-05T19:23:53+00:00",
      "cve": "CVE-2026-20732",
      "id": "CVE-2026-20732",
      "initial_release_date": "2026-02-04T15:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "BIG-IP Configuration utility vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20732.json",
      "version": "3"
    },
    "vulnrichment": {
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      "cveMetadata": "{\"cveId\": \"CVE-2026-20732\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-04T16:08:05.470Z\", \"dateReserved\": \"2026-01-21T21:33:16.381Z\", \"assignerOrgId\": \"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab\", \"datePublished\": \"2026-02-04T15:02:05.281Z\", \"assignerShortName\": \"f5\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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