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    CVE-2023-39916

    NLnet Labs’ Routinator 0.9.0 up to and including 0.12.1 as well as 0.14.0 up to and including 0.14.2 contains a possible path traversal vulnerability in the optional, off-by-default keep-rrdp-responses feature that allows users to store the content of responses received for RRDP requests. The location of these stored responses is constructed from the URL of the request. Due to insufficient sanitation of the URL, it is possible for an attacker to craft a URL that results in the response being stored outside of the directory specified for it.

    Published:Sep 13, 2023
    Last Modified:Oct 3, 2025
    EPS:Sep 13, 2023
    EPSS Score:0.0015
    CVSS Score:9.3

    Affected Products

    Vendor
    Nlnetlabs
    Product
    Routinator

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-49235 (CVSS 8.7) — When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator c…
    CVE-2026-49234 (CVSS 8.2) — When sending a specifically crafted non-UTF-8 string as select-asn query parameter to the /api/v1/origins endp…
    CVE-2026-49233 (CVSS 8.3) — Routinator does not properly check the module component of rsync URIs, which are used to create the file syste…
    CVE-2026-49232 (CVSS 8.7) — Routinator exits on any error when accepting incoming HTTP or RTR connections, including ones it can recover f…
    CVE-2025-0638 (CVSS 7.5) — The initial code parsing the manifest did not check the content of the file names yet later code assumed that …
    CVE-2024-1622 (CVSS 7.5) — Due to a mistake in error checking, Routinator will terminate when an incoming RTR connection is reset by the …
    CVE-2023-39915 (CVSS 7.5) — NLnet Labs' Routinator up to and including version 0.12.1 may crash when trying to parse certain malformed RPK…
    CVE-2022-3029 (CVSS 7.5) — In NLnet Labs Routinator 0.9.0 up to and including 0.11.2, due to a mistake in error handling, data in RRDP sn…
    CVE-2021-43174 (CVSS 7.5) — NLnet Labs Routinator versions 0.9.0 up to and including 0.10.1, support the gzip transfer encoding when query…
    CVE-2021-43173 (CVSS 7.5) — In NLnet Labs Routinator prior to 0.10.2, a validation run can be delayed significantly by an RRDP repository …

    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