CVE Feed

    Dashboard / CVE / CVE-2021-38364

    CVE-2021-38364

    An issue was discovered in ONOS 2.5.1. There is an incorrect comparison of flow rules installed by intents. A remote attacker can install or remove a new intent, and consequently modify or delete the existing flow rules related to other intents.

    Published:Apr 20, 2023
    Last Modified:Feb 5, 2025
    EPS:Apr 20, 2023
    EPSS Score:0.00133
    CVSS Score:6.5

    Affected Products

    Vendor
    Opennetworking
    Product
    Onos

    Exploits

    https://www.usenix.org/system/files/sec23fall-prepub-285_kim-jiwon.pdfhttps://www.usenix.org/system/files/sec23fall-prepub-285_kim-jiwon.pdf

    Common Weakness Enumeration

    CWE-697 Incorrect Comparison

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-120 Double Encoding
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-15 Command Delimiters
    CAPEC-182 Flash Injection
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-41 Using Meta-characters in E-mail Headers to Inject Malicious Payloads
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-44 Overflow Binary Resource File
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-73 User-Controlled Filename
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities
    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2023-41591 (CVSS 9.8) — An issue in Open Network Foundation ONOS v2.7.0 allows attackers to create fake IP/MAC addresses and potential…
    CVE-2024-53423 (CVSS 5.6) — An issue in Open Network Foundation ONOS v2.7.0 allows attackers to cause a Denial of Service (DoS) via supply…
    CVE-2025-29310 (CVSS 9.8) — An issue in onos v2.7.0 allows attackers to trigger a packet deserialization problem when supplying a crafted …
    CVE-2025-29312 (CVSS 9.1) — An issue in onos v2.7.0 allows attackers to trigger unexpected behavior within a device connected to a legacy …
    CVE-2025-29311 (CVSS 7.5) — Limited secret space in LLDP packets used in onos v2.7.0 allows attackers to obtain the private key via a brut…
    CVE-2022-29605 (CVSS 7.5) — An issue was discovered in ONOS 2.5.1. IntentManager attempts to install the IPv6 flow rules of an intent into…
    CVE-2022-29606 (CVSS 9.8) — An issue was discovered in ONOS 2.5.1. An intent with a large port number shows the CORRUPT state, which is mi…
    CVE-2022-29607 (CVSS 7.5) — An issue was discovered in ONOS 2.5.1. Modification of an existing intent to have the same source and destinat…
    CVE-2022-29944 (CVSS 5.3) — An issue was discovered in ONOS 2.5.1. There is an incorrect comparison of paths installed by intents. An exis…
    CVE-2021-38363 (CVSS 7.5) — An issue was discovered in ONOS 2.5.1. In IntentManager, the install-requested intent (which causes an excepti…

    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