CVE-2022-23305 (GCVE-0-2022-23305)

Vulnerability from cvelistv5 – Published: 2022-01-18 15:25 – Updated: 2026-05-27 13:40
VLAI
Title
SQL injection in JDBC Appender in Apache Log4j V1
Summary
By design, the JDBCAppender in Log4j 1.2.x accepts an SQL statement as a configuration parameter where the values to be inserted are converters from PatternLayout. The message converter, %m, is likely to always be included. This allows attackers to manipulate the SQL by entering crafted strings into input fields or headers of an application that are logged allowing unintended SQL queries to be executed. Note this issue only affects Log4j 1.x when specifically configured to use the JDBCAppender, which is not the default. Beginning in version 2.0-beta8, the JDBCAppender was re-introduced with proper support for parameterized SQL queries and further customization over the columns written to in logs. Apache Log4j 1.2 reached end of life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the previous versions.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 13:32 UTC
CWE
  • CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Log4j 1.x Affected: 1.2.1 , < unspecified (custom)
Affected: unspecified , < 2.0-alpha1 (custom)
Create a notification for this product.
Credits
Daniel Martin of NCC Group
Show details on NVD website
To clipboard 

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"By design, the JDBCAppender in Log4j 1.2.x accepts an SQL statement as a configuration parameter where the values to be inserted are converters from PatternLayout. The message converter, %m, is likely to always be included. This allows attackers to manipulate the SQL by entering crafted strings into input fields or headers of an application that are logged allowing unintended SQL queries to be executed. Note this issue only affects Log4j 1.x when specifically configured to use the JDBCAppender, which is not the default. Beginning in version 2.0-beta8, the JDBCAppender was re-introduced with proper support for parameterized SQL queries and further customization over the columns written to in logs. Apache Log4j 1.2 reached end of life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the previous versions.\"}, {\"lang\": \"es\", \"value\": \"Por dise\\u00f1o, el JDBCAppender en Log4j versiones 1.2.x, acepta una sentencia SQL como par\\u00e1metro de configuraci\\u00f3n donde los valores a insertar son convertidores de PatternLayout. Es probable que el convertidor de mensajes, %m, sea incluido siempre. Esto permite a atacantes manipular el SQL introduciendo cadenas dise\\u00f1adas en los campos de entrada o en los encabezados de una aplicaci\\u00f3n que son registradas permitiendo una ejecuci\\u00f3n de consultas SQL no deseadas. Tenga en cuenta que este problema s\\u00f3lo afecta a Log4j versiones 1.x cuando es configurado espec\\u00edficamente para usar el JDBCAppender, que no es el predeterminado. A partir de la versi\\u00f3n 2.0-beta8, fue reintroducido el JDBCAppender con soporte apropiado para consultas SQL parametrizadas y mayor personalizaci\\u00f3n sobre las columnas escritas en los registros. Apache Log4j versiones 1.2 lleg\\u00f3 al final de su vida \\u00fatil en agosto de 2015. Los usuarios deber\\u00edan actualizar a Log4j 2, ya que aborda numerosos problemas de las versiones anteriores\"}]",
      "id": "CVE-2022-23305",
      "lastModified": "2024-11-21T06:48:22.517",
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      "published": "2022-01-18T16:15:08.350",
      "references": "[{\"url\": \"http://www.openwall.com/lists/oss-security/2022/01/18/4\", \"source\": \"security@apache.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.apache.org/thread/pt6lh3pbsvxqlwlp4c5l798dv2hkc85y\", \"source\": \"security@apache.org\", \"tags\": [\"Issue Tracking\", \"Mailing List\", \"Vendor Advisory\"]}, {\"url\": \"https://logging.apache.org/log4j/1.2/index.html\", \"source\": \"security@apache.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220217-0007/\", \"source\": \"security@apache.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuapr2022.html\", \"source\": \"security@apache.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"source\": \"security@apache.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2022/01/18/4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.apache.org/thread/pt6lh3pbsvxqlwlp4c5l798dv2hkc85y\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Mailing List\", \"Vendor Advisory\"]}, {\"url\": \"https://logging.apache.org/log4j/1.2/index.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220217-0007/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuapr2022.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "security@apache.org",
      "vulnStatus": "Modified",
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    },
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "log4j: SQL injection in Log4j 1.x when application is configured to use JDBCAppender",
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Tags
Taxonomy of the tags.





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

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.