CVE-2021-27418 (GCVE-0-2021-27418)

Vulnerability from cvelistv5 – Published: 2022-03-23 19:46 – Updated: 2025-04-16 16:41
VLAI?
Summary
GE UR firmware versions prior to version 8.1x supports web interface with read-only access. The device fails to properly validate user input, making it possible to perform cross-site scripting attacks, which may be used to send a malicious script. Also, UR Firmware web server does not perform HTML encoding of user-supplied strings.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
GE UR family Affected: unspecified , < 8.1x (custom)
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Credits
SCADA-X, DOE’s Cyber Testing for Resilient Industrial Control Systems (CyTRICS) program, Verve Industrial, and VuMetric reported these vulnerabilities to GE.
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Also, UR Firmware web server does not perform HTML encoding of user-supplied strings.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-20 Improper Input Validation\"}]}]}, \"work_around\": [{\"lang\": \"en\", \"value\": \"GE recommends protecting UR IED by using network defense-in-depth practices. This includes, but is not limited to, placing UR IED inside the control system network security perimeter, and having access controls, monitoring (such as an Intrusion Detection System), and other mitigating technologies in place. \\n\\nGE recommends users refer to the UR Deployment guide for secure configuration of UR IED and system.\"}], \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2021-27418\", \"STATE\": \"PUBLIC\", \"TITLE\": \"GE UR family input validation\", \"ASSIGNER\": \"ics-cert@hq.dhs.gov\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-27418\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-16T16:41:07.211Z\", \"dateReserved\": \"2021-02-19T00:00:00.000Z\", \"assignerOrgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"datePublished\": \"2022-03-23T19:46:23.000Z\", \"assignerShortName\": \"icscert\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.