CVE-2023-41339

    Dashboard / Vulnerabilities / CVE-2023-41339

    CVE-2023-41339

    Published: 24 Oct 2023Last Modified: 28 Oct 2026

    Summary: Unsecured WMS dynamic styling sld=<url> parameter affords blind unauthenticated SSRF in GeoServer

    Details: GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. The WMS specification defines an ``sld=<url>`` parameter for GetMap, GetLegendGraphic and GetFeatureInfo operations for user supplied "dynamic styling". Enabling the use of dynamic styles, without also configuring URL checks, provides the opportunity for Service Side Request Forgery. This vulnerability can be used to steal user NetNTLMv2 hashes which could be relayed or cracked externally to gain further access. This vulnerability has been patched in versions 2.22.5 and 2.23.2.

    References: https://github.com/geoserver/geoserver/releases/tag/2.22.5, https://github.com/geoserver/geoserver/releases/tag/2.23.2, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41339.json, https://github.com/geoserver/geoserver/security/advisories/GHSA-cqpc-x2c6-2gmf, https://nvd.nist.gov/vuln/detail/CVE-2023-41339

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -8ba3940aafc6311d89c54c2cbc326c80f93bcd0f

    Affected versions

    2.21-M0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2023-41339 | CVE-DB