CVE Feed

    Dashboard / CVE / CVE-2020-17529

    CVE-2020-17529

    Out-of-bounds Write vulnerability in TCP Stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying and invalid fragmentation offset value specified in the IP header. This is only impacts builds with both CONFIG_EXPERIMENTAL and CONFIG_NET_TCP_REASSEMBLY build flags enabled.

    Published:Dec 9, 2020
    Last Modified:Feb 13, 2025
    EPS:Dec 9, 2020
    EPSS Score:0.0143
    CVSS Score:9.8

    Affected Products

    Vendor
    Apache
    Product
    Nuttx

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-48769 (CVSS 8.1) — Use After Free vulnerability was discovered in fs/vfs/fs_rename code of the Apache NuttX RTOS, that due recurs…
    CVE-2025-48768 (CVSS 6.5) — Release of Invalid Pointer or Reference vulnerability was discovered in fs/inode/fs_inoderemove code of the Ap…
    CVE-2025-47869 (CVSS 9.8) — Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability was discovered in Apache…
    CVE-2025-47868 (CVSS 9.8) — Out-of-bounds Write resulting in possible Heap-based Buffer Overflow vulnerability was discovered in tools/bdf…
    CVE-2025-35003 (CVSS 9.8) — Improper Restriction of Operations within the Bounds of a Memory Buffer and Stack-based Buffer Overflow vulner…
    CVE-2021-26461 (CVSS 9.8) — Apache Nuttx Versions prior to 10.1.0 are vulnerable to integer wrap-around in functions malloc, realloc and m…
    CVE-2020-17528 (CVSS 9.1) — Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0…
    CVE-2020-1939 (CVSS 9.8) — The Apache NuttX (Incubating) project provides an optional separate "apps" repository which contains various o…

    References

    http://www.openwall.com/lists/oss-security/2020/12/09/5
    https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E
    https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E
    https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E
    https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E
    http://www.openwall.com/lists/oss-security/2020/12/09/5
    https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E
    https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E
    https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E
    https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E

    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