CVE-2021-23857 (GCVE-0-2021-23857)

Vulnerability from cvelistv5 – Published: 2021-10-04 17:32 – Updated: 2024-08-03 19:14
VLAI
Title
Login with hash
Summary
Login with hash: The login routine allows the client to log in to the system not by using the password, but by using the hash of the password. Combined with CVE-2021-23858, this allows an attacker to subsequently login to the system.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-836 - Use of Password Hash Instead of Password for Authentication
Assigner
References
Impacted products
Vendor Product Version CPE status
Rexroth IndraMotion MLC L25, L45, L65, L75, L85, XM21, XM22, XM41 and XM42 IndraMotion XLC Affected: 12 VRS , < unspecified (custom)
guessed Create a notification for this product.
Rexroth IndraMotion MLC L20, L40 Affected: 12 VRS , < unspecified (custom)
guessed Create a notification for this product.
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    "redhat_vex": {
      "current_release_date": "2026-03-27T14:45:24+00:00",
      "cve": "CVE-2021-23857",
      "id": "CVE-2021-23857",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Login with hash",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-23857.json",
      "version": "3"
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}



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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

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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.