Vulnerability-Lookup

GHSA-255G-8GJP-2WQ6

Vulnerability from github – Published: 2022-05-24 19:02 – Updated: 2022-05-24 19:02

Details

An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack

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{
  "affected": [],
  "aliases": [
    "CVE-2021-27342"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-203"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-17T13:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack",
  "id": "GHSA-255g-8gjp-2wq6",
  "modified": "2022-05-24T19:02:38Z",
  "published": "2022-05-24T19:02:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27342"
    },
    {
      "type": "WEB",
      "url": "https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/guywhataguy/D-Link-CVE-2021-27342-exploit/blob/main/dlink-telnet-exploit-CVE-2021-27342.py"
    },
    {
      "type": "WEB",
      "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10225"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-27342 (GCVE-0-2021-27342)

Vulnerability from cvelistv5 – Published: 2021-05-17 12:20 – Updated: 2024-08-03 20:48

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2324 records in the last 180 days details

References

3 references

URL	Tags
https://supportannouncement.us.dlink.com/announce…	x_refsource_CONFIRM
https://github.com/guywhataguy/D-Link-CVE-2021-27…	x_refsource_MISC
https://blog.whtaguy.com/2021/05/d-link-router-cv…	x_refsource_MISC

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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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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