FKIE_CVE-2021-34586

Vulnerability from fkie_nvd - Published: 2021-10-26 10:15 - Updated: 2025-08-15 20:26
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.
References
info@cert.vde.comhttps://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=Vendor Advisory
info@cert.vde.comhttps://www.tenable.com/security/research/tra-2021-47Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/research/tra-2021-47Exploit, Third Party Advisory
Impacted products
Vendor Product Version
wago 750-823_firmware *
wago 750-823 -
wago 750-829_firmware *
wago 750-829 -
wago 750-831_firmware *
wago 750-831 -
wago 750-832_firmware *
wago 750-832 -
wago 750-852_firmware *
wago 750-852 -
wago 750-862_firmware *
wago 750-862 -
wago 750-880_firmware *
wago 750-880 -
wago 750-881_firmware *
wago 750-881 -
wago 750-882_firmware *
wago 750-882 -
wago 750-885_firmware *
wago 750-885 -
wago 750-889_firmware *
wago 750-889 -
wago 750-890_firmware *
wago 750-890 -
wago 750-891_firmware *
wago 750-891 -
wago 750-893_firmware *
wago 750-893 -
wago 750-8202_firmware *
wago 750-8202 -
wago 750-8203_firmware *
wago 750-8203 -
wago 750-8204_firmware *
wago 750-8204 -
wago 750-8206_firmware *
wago 750-8206 -
wago 750-8207_firmware *
wago 750-8207 -
wago 750-8208_firmware *
wago 750-8208 -
wago 750-8210_firmware *
wago 750-8210 -
wago 750-8211_firmware *
wago 750-8211 -
wago 750-8212_firmware *
wago 750-8212 -
wago 750-8213_firmware *
wago 750-8213 -
wago 750-8214_firmware *
wago 750-8214 -
wago 750-8216_firmware *
wago 750-8216 -
wago 750-8217_firmware *
wago 750-8217 -
codesys codesys *
To clipboard 

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          "value": "CWE-476"
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  ]
}


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Tags
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.