High severity · published Dec 16, 2023
CVE-2021-42797
Path traversal vulnerability in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior allows an unauthenticated user to steal the Windows access token of the user…
7.5
CVSS
1%
EPSS
No
On KEV
Description
Path traversal vulnerability in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior allows an unauthenticated user to steal the Windows access token of the user account configured for accessing external DB resources.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ED
Edge · Aveva
before 2020; 2020; 2020; 2020 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42797
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42797
Product
https://www.aveva.com/en/products/edge/
Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-22-326-01
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