CVE Feed

    Dashboard / CVE / CVE-2021-44081

    CVE-2021-44081

    A buffer overflow vulnerability exists in the AMF of open5gs 2.1.4. When the length of MSIN in Supi exceeds 24 characters, it leads to AMF denial of service.

    Published:Mar 29, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 29, 2022
    EPSS Score:0.0031
    CVSS Score:7.5

    Affected Products

    Vendor
    Open5gs
    Product
    Open5gs

    Exploits

    https://github.com/open5gs/open5gs/issues/1206https://github.com/open5gs/open5gs/issues/1206

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-86212 (CVSS 2.1) — A vulnerability has been found in Open5GS 2.7.7/2.8.0. This vulnerability affects unknown code of the componen…
    CVE-2026-75438 (CVSS 7.5) — Buffer Overflow vulnerability in Open5GS v2.7.7 allows a remote attacker to cause a denial of service via the …
    CVE-2026-82590 (CVSS 5.3) — A weakness has been identified in Open5GS up to 2.7.7. The affected element is the function smf_nudm_sdm_handl…
    CVE-2026-82589 (CVSS 2.1) — A security flaw has been discovered in Open5GS up to 2.7.7. Impacted is the function amf_namf_comm_handle_n1_n…
    CVE-2026-82588 (CVSS 5.3) — A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file …
    CVE-2026-82587 (CVSS 2.1) — A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amf_namf_comm_d…
    CVE-2026-30046 (CVSS 7.5) — A reachable assertion vulnerability in the NUDM-UECM interface of Open5GS v2.7.6 allows attackers to cause a D…
    CVE-2026-30047 (CVSS 7.5) — A reachable assertion vulnerability in the /nsmf-pdusession/v1/sm-contexts component of Open5GS v2.7.6 allows …
    CVE-2026-30045 (CVSS 7.5) — An integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a …
    CVE-2026-37198 (CVSS 7.5) — An integer overflow in the SMF component of Open5GS v2.7.6 allows attackers to cause a Denial of Service (DoS)…

    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