CVE-2021-28503
In Arista's EOS software affected releases, eAPI might skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to access the device via eAPI.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in EOS-4.23.10, EOS-4.24.8, EOS-4.25.6, EOS-4.26.3
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The impact of this vulnerability is that Arista's EOS eAPI may skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to access the device via eAPI.
Timeline
- CVE published
- Record last updated
Affected versions
- Arista Networks Arista EOS
From EOS-4.23 · fixed in EOS-4.23.10; From EOS-4.24 · fixed in EOS-4.24.8; From EOS-4.25 · fixed in EOS-4.25.6; From EOS-4.26 · fixed in EOS-4.26.3