Arista EOS up to 4.36.1F cleartext storage

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00-

Summaryinfo

A vulnerability marked as problematic has been reported in Arista EOS up to 4.36.1F. This vulnerability affects unknown code. Performing a manipulation results in cleartext storage. This vulnerability was named CVE-2026-73465. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Arista EOS up to 4.36.1F. It has been classified as problematic. This affects an unknown code. The manipulation with an unknown input leads to a cleartext storage vulnerability. CWE is classifying the issue as CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. This is going to have an impact on confidentiality. The summary by CVE is:

On affected platforms running Arista EOS, under certain circumstances plaintext private keys may be written in clear text to log files during operations when specialized non-standard debugging trace levels are explicitly enabled. To exploit these vulnerabilities, a malicious actor must already possess authenticated local administrative access to the device shell, and specialized non-standard debugging trace levels must be explicitly enabled. This issue was discovered internally by Arista, and the company is not aware of any malicious exploitation of this vulnerability in customer networks.

It is possible to read the advisory at arista.com. This vulnerability is uniquely identified as CVE-2026-73465 since 08/12/2026. The exploitability is told to be easy. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1555 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 2.3
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector (Arista): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleartext storage
CWE: CWE-312 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/12/2026 CVE reserved
09/15/2026 +34 days Advisory disclosed
09/15/2026 +0 days VulDB entry created
09/15/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: arista.com
Status: Confirmed

CVE: CVE-2026-73465 (🔒)
GCVE (CVE): GCVE-0-2026-73465
GCVE (VulDB): GCVE-100-404583

Entryinfo

Created: 09/15/2026 21:37
Changes: 09/15/2026 21:37 (72)
Complete: 🔍
Cache ID: 216::103

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