High severity · published May 13, 2021
CVE-2021-20997
In multiple managed switches by WAGO in different versions it is possible to read out the password hashes of all Web-based Management users
7.5
CVSS
1%
EPSS
No
On KEV
Description
In multiple managed switches by WAGO in different versions it is possible to read out the password hashes of all Web-based Management users.
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
0F
0852-0303 Firmware · Wago
through 1.2.3.s0 · source: NVD
0F
0852-1305 Firmware · Wago
through 1.1.7.s0 · source: NVD
0F
0852-1305/000-001 Firmware · Wago
through 1.0.4.s0 · source: NVD
0F
0852-1505 Firmware · Wago
through 1.1.6.s0 · source: NVD
0F
0852-1505/000-001 Firmware · Wago
through 1.0.4.s0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20997
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20997
Third Party Advisory
https://cert.vde.com/en-us/advisories/vde-2021-013
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9.8
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5.3
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