Vulnerability-Lookup

FKIE_CVE-2020-27746

Vulnerability from fkie_nvd - Published: 2020-11-27 18:15 - Updated: 2026-06-17 03:09

Severity

3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

Slurm before 19.05.8 and 20.x before 20.02.6 exposes Sensitive Information to an Unauthorized Actor because xauth for X11 magic cookies is affected by a race condition in a read operation on the /proc filesystem.

References

URL	Tags
cve@mitre.org	https://www.debian.org/security/2021/dsa-4841	Third Party Advisory
cve@mitre.org	https://www.schedmd.com/news.php	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2021/dsa-4841	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.schedmd.com/news.php	Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
schedmd	slurm	*
schedmd	slurm	*
debian	debian_linux	10.0

JSON

To clipboard

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  "affected": [
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          "vendor": "n/a",
          "versions": [
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            }
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              "matchCriteriaId": "E161B2F5-48FF-4E44-ADE6-BAB8C37738E1",
              "versionEndExcluding": "19.05.8",
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          "negate": false,
          "operator": "OR"
        }
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    },
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  "cveTags": [],
  "descriptions": [
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    },
    {
      "lang": "es",
      "value": "Slurm versiones anteriores a 19.05.8 y versiones 20.x anteriores a 20.02.6, expone informaci\u00f3n confidencial a un actor no autorizado porque xauth para las cookies m\u00e1gicas X11 est\u00e1 afectado por una condici\u00f3n de carrera en una operaci\u00f3n de lectura en el sistema de archivos /proc"
    }
  ],
  "id": "CVE-2020-27746",
  "lastModified": "2026-06-17T03:09:33.870",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
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        "impactScore": 1.4,
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  "references": [
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      "tags": [
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      "url": "https://www.debian.org/security/2021/dsa-4841"
    },
    {
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      "tags": [
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      ],
      "url": "https://www.schedmd.com/news.php"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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      "url": "https://www.schedmd.com/news.php"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-27746 (GCVE-0-2020-27746)

Vulnerability from cvelistv5 – Published: 2020-11-27 17:03 – Updated: 2024-08-04 16:18

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://www.schedmd.com/news.php	x_refsource_MISC
https://www.debian.org/security/2021/dsa-4841	vendor-advisoryx_refsource_DEBIAN

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

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.