CVE Feed

    Dashboard / CVE / CVE-2021-21474

    CVE-2021-21474

    SAP HANA Database, versions - 1.0, 2.0, accepts SAML tokens with MD5 digest, an attacker who manages to obtain an MD5-digest signed SAML Assertion issued for an SAP HANA instance might be able to tamper with it and alter it in a way that the digest continues to be the same and without invalidating the digital signature, this allows them to impersonate as user in HANA database and be able to read the contents in the database.

    Published:Feb 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Feb 9, 2021
    EPSS Score:0.00152
    CVSS Score:6.5

    Affected Products

    Vendor
    Sap
    Product
    Hana Database

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-326 Inadequate Encryption Strength

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-112 Brute Force
    CAPEC-192 Protocol Analysis
    CAPEC-20 Encryption Brute Forcing

    Related CVEs

    CVE-2026-0492 (CVSS 8.8) — SAP HANA database is vulnerable to privilege escalation allowing an attacker with valid credentials of any use…
    CVE-2023-40309 (CVSS 9.8) — SAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong aut…
    CVE-2023-40308 (CVSS 7.5) — SAP CommonCryptoLib allows an unauthenticated attacker to craft a request, which when submitted to an open por…
    CVE-2020-26834 (CVSS 5.4) — SAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-b…
    CVE-2019-0350 (CVSS 7.5) — SAP HANA Database, versions 1.0, 2.0, allows an unauthorized attacker to send a malformed connection request, …
    CVE-2018-2424 (CVSS 9.8) — SAP UI5 did not validate user input before adding it to the DOM structure. This may lead to malicious user-pro…
    CVE-2017-16687 (CVSS 5.3) — The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SA…

    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