Envoy up to 1.15.4/1.16.3/1.17.2/1.18.1/1.18.2 path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Envoy up to 1.15.4/1.16.3/1.17.2/1.18.1/1.18.2. It has been classified as critical. This affects some unknown functionality. The manipulation with an unknown input leads to a directory traversal vulnerability. CWE is classifying the issue as CWE-22. The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. The impact remains unknown.

The weakness was presented 05/29/2021. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-29492. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 1.15.5, 1.16.4, 1.17.3, 1.18.2 or 1.18.3 eliminates this vulnerability.



CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍


Class: Directory traversal
ATT&CK: T1006

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Envoy 1.15.5/1.16.4/1.17.3/1.18.2/1.18.3


03/30/2021 🔍
05/29/2021 +60 days 🔍
05/29/2021 +0 days 🔍
06/03/2021 +5 days 🔍


Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-29492 (🔍)


Created: 05/29/2021 08:09 AM
Updated: 06/03/2021 11:32 AM
Changes: (1) source_cve_cna
Complete: 🔍


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