Medium severity · published Oct 21, 2021
CVE-2021-28496
On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding…
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding Detection (BFD) will be leaked when displaying output over eAPI or other JSON outputs to other authenticated users on the device. The affected EOS Versions are: all releases in 4.22.x train, 4.23.9 and below releases in the 4.23.x train, 4.24.7 and below releases in the 4.24.x train, 4.25.4 and below releases in the 4.25.x train, 4.26.1 and below releases in the 4.26.x train
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EO
Eos · Arista
4.22 through 4.22.7m; 4.23 before 4.23.10; 4.24 before 4.24.8; 4.25 before 4.25.5; 4.26 before 4.26.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28496
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28496
Vendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069
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