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CVE-2021-28508

MEDIUMCVSS 6.1/10EPSS 0.48%

Last modified

CVE-2021-28508 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak IPsec sensitive data in clear text in CVP to other authorized users, which could cause IPsec traffic to be decrypted or modified by other authorized users on the device.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak IPsec sensitive data in clear text in CVP to other authorized users, which could cause IPsec traffic to be decrypted or modified by other authorized users on the device.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

EPSS Probability
0.48%

37.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AristaTerminattr< 1.10.11
AristaTerminattr>= 1.11.0, < 1.16.8
AristaTerminattr>= 1.17.0, < 1.19.0
AristaEos>= 4.23, <= 4.23.11
AristaEos>= 4.24, < 4.24.10
AristaEos>= 4.25, < 4.25.8
AristaEos>= 4.26, < 4.26.6
AristaEos>= 4.27, < 4.27.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-28508?
This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak IPsec sensitive data in clear text in CVP to other authorized users, which could cause IPsec traffic to be decrypted or modified by other authorized users on the device.
How severe is CVE-2021-28508?
CVE-2021-28508 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28508?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28508?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST