CVE-2019-19102

mediumpriority · track · 30EPSS 0.013 · 70 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.28% (70th) EPSS
CVSS 5 · medium
Is it mine?
22 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

A directory traversal vulnerability in SharpZipLib used in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x and 4.2.x allow unauthenticated users to write to certain local directories. The vulnerability is also known as zip slip.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedAutomation Studiocisa_csaf_ot

    Automation Studio 4.3 and later should be switched from the SharpZipLib to the .NET Framework, provided native ZIP archive implementation. For these versions the issue is not reproducible. For prior versions of Automation Studio, it is recommended to update the installation.

  • MitigationAutomation Studiocisa_csaf_ot

    Access to zip archives is controlled and access of the zip archive is limited to trusted parties only.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.05.5mediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · CISA US
v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · ENISA EU
v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · cybersecurity@ch.abb.comexploitability 1.8 · impact 3.6
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-22US
04

affected products (22)

Products and version ranges known to be affected.

showing 20 of 22
05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-20-093-01B&R Automation Studio2020-04-02icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities could allow an attacker to delete arbitrary files from this system, fetch arbitrary files, or perform arbitrary write operations.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnvdNVDCVE.orgMITRE
published 2020-04-29modified 2026-06-17
09

references (7)

External citations — patches, advisories, analysis.

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