CVE-2020-27263

mediumPriorität · verfolgen · 38EPSS 0.050 · 92. PerzentilEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
5.00% (92nd) EPSS
CVSS 6.4 · medium
Is it mine?
44 products
Prüfe deine Angriffsfläche
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · bewertet 2026-10-27

KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.

01

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

  • BehobenGE Digital Industrial Gateway Servercisa_csaf_ot

    OPC-Aggregator Version 6.9 should upgrade to Version 6.9.584.0

    https://support.ptc.com/
  • BehobenKEPServerEXcisa_csaf_ot

    OPC-Aggregator Version 6.9 should upgrade to Version 6.9.584.0

    https://support.ptc.com/
  • BehobenOPC-Aggregatorcisa_csaf_ot

    OPC-Aggregator Version 6.9 should upgrade to Version 6.9.584.0

    https://support.ptc.com/
  • BehobenRockwell Automation KEPServer Enterprisecisa_csaf_ot

    OPC-Aggregator Version 6.9 should upgrade to Version 6.9.584.0

    https://support.ptc.com/
  • BehobenSoftware Toolbox TOP Servercisa_csaf_ot

    OPC-Aggregator Version 6.9 should upgrade to Version 6.9.584.0

    https://support.ptc.com/
  • BehobenThingWorx Industrial Connectivitycisa_csaf_ot

    OPC-Aggregator Version 6.9 should upgrade to Version 6.9.584.0

    https://support.ptc.com/
  • BehobenThingWorx Kepware Servercisa_csaf_ot

    OPC-Aggregator Version 6.9 should upgrade to Version 6.9.584.0

    https://support.ptc.com/
  • MitigationGE Digital Industrial Gateway Servercisa_csaf_ot

    PTC has released updates for the following products and recommends that users upgrade to the most current supported version:

  • MitigationKEPServerEXcisa_csaf_ot

    PTC has released updates for the following products and recommends that users upgrade to the most current supported version:

  • MitigationOPC-Aggregatorcisa_csaf_ot

    PTC has released updates for the following products and recommends that users upgrade to the most current supported version:

  • MitigationRockwell Automation KEPServer Enterprisecisa_csaf_ot

    PTC has released updates for the following products and recommends that users upgrade to the most current supported version:

  • MitigationSoftware Toolbox TOP Servercisa_csaf_ot

    PTC has released updates for the following products and recommends that users upgrade to the most current supported version:

  • MitigationThingWorx Industrial Connectivitycisa_csaf_ot

    PTC has released updates for the following products and recommends that users upgrade to the most current supported version:

  • MitigationThingWorx Kepware Servercisa_csaf_ot

    PTC has released updates for the following products and recommends that users upgrade to the most current supported version:

02

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

9.1
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–critical · 6.4–9.1

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 4.9
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 5.2
v3.09.1criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hsecondary · CISA US
v3.19.1criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hsecondary · FSTEC (BDU) RU
v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

04

betroffene Produkte (44)

Betroffene Produkte und Versionsbereiche.

05

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

  • ICSA-20-352-02PTC Kepware KEPServerEX (Update A)2020-12-17icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities could lead to a server crashing, a denial-of-service condition, data leakage, or remote code execution.

06

auch bekannt als (5)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

veröffentlicht 2021-01-14geändert 2026-06-17
09

Referenzen (5)

Externe Belege — Patches, Meldungen, Analysen.

scry

Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.

Kostenloser Scan