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cvelistSiemensCVELIST:CVE-2021-31889
HistoryNov 09, 2021 - 11:32 a.m.

CVE-2021-31889

2021-11-0911:32:01
CWE-191
siemens
www.cve.org

9.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.1%

A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Capital VSTAR (All versions with enabled Ethernet options), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). Malformed TCP packets with a corrupted SACK option leads to Information Leaks and Denial-of-Service conditions. (FSMD-2021-0015)

CNA Affected

[
  {
    "product": "APOGEE MBC (PPC) (BACnet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "APOGEE MBC (PPC) (P2 Ethernet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "APOGEE MEC (PPC) (BACnet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "APOGEE MEC (PPC) (P2 Ethernet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "APOGEE PXC Compact (BACnet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V3.5.4"
      }
    ]
  },
  {
    "product": "APOGEE PXC Compact (P2 Ethernet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V2.8.19"
      }
    ]
  },
  {
    "product": "APOGEE PXC Modular (BACnet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V3.5.4"
      }
    ]
  },
  {
    "product": "APOGEE PXC Modular (P2 Ethernet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V2.8.19"
      }
    ]
  },
  {
    "product": "Capital VSTAR",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions with enabled Ethernet options"
      }
    ]
  },
  {
    "product": "Desigo PXC00-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC00-U",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC001-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC100-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC12-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC128-U",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC200-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC22-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC22.1-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC36.1-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC50-E.D",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXC64-U",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Desigo PXM20-E",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions >= V2.3 and < V6.30.016"
      }
    ]
  },
  {
    "product": "Nucleus NET",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "Nucleus ReadyStart V3",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V2017.02.4"
      }
    ]
  },
  {
    "product": "Nucleus Source Code",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "PLUSCONTROL 1st Gen",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "SIMOTICS CONNECT 400",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V0.5.0.0"
      }
    ]
  },
  {
    "product": "TALON TC Compact (BACnet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V3.5.4"
      }
    ]
  },
  {
    "product": "TALON TC Modular (BACnet)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V3.5.4"
      }
    ]
  }
]

9.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.1%

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