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CVE-2021-28507

MEDIUM
Published 2022-01-14T19:04:51.398195Z
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Expert Analysis

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CVSS Score

V3.1
5.5
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.290
Higher than 29.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
HIGH
Availability
NONE

Description

An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Arista Networks

EOS

Affected Versions:

4.22.x 4.26.2F 4.25.5.1M 4.25.4M 4.25.3 4.24.7M 4.23.9M 4.21.x

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-4j73-jx76-fgw8

Advisory Details

An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-28507
WEB https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071

Advisory provided by GitHub Security Advisory Database. Published: January 15, 2022, Modified: July 15, 2022

References

https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071
Published: 2022-01-14T19:04:51.398195Z
Last Modified: 2024-09-17T04:20:33.347Z
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