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    Dashboard / CVE / CVE-2021-42029

    CVE-2021-42029

    A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V17 (All versions < V17 Update 2). An attacker could achieve privilege escalation on the web server of certain devices due to improper access control vulnerability in the engineering system software. The attacker needs to have direct access to the impacted web server.

    Published:Apr 12, 2022
    Last Modified:Nov 21, 2024
    EPS:Apr 12, 2022
    EPSS Score:0.00038
    CVSS Score:7.8

    Affected Products

    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1211c
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1212c
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1212fc
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1214 Fc
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1214c
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1214fc
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1215 Fc
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1215c
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1215fc
    Vendor
    Siemens
    Product
    Simatic S7-1200 Cpu 1217c
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1507s
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1507s F
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1508s
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1508s F
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1510sp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1510sp-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1511-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1511-1 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1511c
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1511c-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1511f-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1511f-1 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1511t-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1511tf-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1512c
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1512c-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1512sp-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1512spf-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1513-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1513-1 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1513f-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1513f-1 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1513r-1
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1515-2
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1515-2 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1515f-2
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1515f-2 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1515r-2
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1515t-2
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1515tf-2
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516-3
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516-3 Dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516-3 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516-3 Pn\/dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516f-3
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516f-3 Pn\/dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516pro-2
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516pro F
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516t-3
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1516tf-3
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1517-3
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1517-3 Dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1517-3 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1517-3 Pn\/dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1517f-3
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1517f-3 Pn\/dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1517tf-3
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518-4
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518-4 Dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518-4 Pn
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518-4 Pn\/dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518-4 Pn\/dp Mfp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518f-4
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518f-4 Pn\/dp
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518hf-4
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518t-4
    Vendor
    Siemens
    Product
    Simatic S7-1500 Cpu 1518tf-4
    Vendor
    Siemens
    Product
    Simatic Step 7

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    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