CVE-2023-27043 (GCVE-0-2023-27043)

Vulnerability from cvelistv5 – Published: 2023-04-18 00:00 – Updated: 2025-11-03 21:47
VLAI?
Summary
The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character. The wrong portion of an RFC2822 header is identified as the value of the addr-spec. In some applications, an attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain (e.g., only @company.example.com addresses may be used for signup). This occurs in email/_parseaddr.py in recent versions of Python.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
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    "cveId": "CVE-2023-27043",
    "datePublished": "2023-04-18T00:00:00.000Z",
    "dateReserved": "2023-02-27T00:00:00.000Z",
    "dateUpdated": "2025-11-03T21:47:33.100Z",
    "state": "PUBLISHED"
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      "id": "CVE-2023-27043",
      "lastModified": "2024-11-21T07:52:13.737",
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      "published": "2023-04-19T00:15:07.973",
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
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Advisory\"]},{\"url\":\"https://python-security.readthedocs.io/vuln/email-parseaddr-realname.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20230601-0003/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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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.