High severity · published Nov 4, 2021
CVE-2021-34597
Improper Input Validation vulnerability in PC Worx Automation Suite of Phoenix Contact up to version 1.88 could allow an attacker with a manipulated project file to unpack…
7.8
CVSS
0.7%
EPSS
No
On KEV
Description
Improper Input Validation vulnerability in PC Worx Automation Suite of Phoenix Contact up to version 1.88 could allow an attacker with a manipulated project file to unpack arbitrary files outside of the selected project directory.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PW
PC Worx · Phoenixcontact
through 1.88 · source: NVD
PW
PC Worx Express · Phoenixcontact
through 1.88 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34597
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34597
Mitigation
https://cert.vde.com/en/advisories/VDE-2021-052/
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