gsd-2021-28509
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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 MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-28509",
"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 MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device.",
"id": "GSD-2021-28509"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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"details": "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 MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device.",
"id": "GSD-2021-28509",
"modified": "2023-12-13T01:23:29.399844Z",
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"ID": "CVE-2021-28509",
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"TITLE": "TerminAttr streams MACsec sensitive data in clear text to other authorized users in CVP"
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"value": "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 MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device."
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N",
"version": "3.1"
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"value": "CWE-255 Credentials Management"
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"references": {
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"name": "https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077",
"refsource": "MISC",
"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077"
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"solution": [
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"lang": "eng",
"value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience.\n\nThe vulnerability is fixed in the following versions:\n\nEOS versions:\n 4.24.10 and later release in the 4.24.x train\n 4.25.8 and later releases in the 4.25.x train\n 4.26.6 and later releases in the 4.26.x train\n 4.27.4 and later releases in the 4.27.x train\nTerminAttr versions:\n TerminAttr v1.10.11 and later releases in the v1.10.x train\n TerminAttr v1.16.8 and later releases in the v1.16.x train\n TerminAttr v1.19.2 and later releases"
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"lang": "eng",
"value": "On the affected versions, the vulnerabilities can be mitigated by disabling TerminAttr agent."
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.