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26 vulnerabilities found for emissary by nsa

CVE-2026-35582 (GCVE-0-2026-35582)

Vulnerability from nvd – Published: 2026-04-18 01:16 – Updated: 2026-04-20 15:48
VLAI?
Title
Emissary has an OS Command Injection via Unvalidated IN_FILE_ENDING / OUT_FILE_ENDING in Executrix
Summary
Emissary is a P2P based data-driven workflow engine. In versions 8.42.0 and below, Executrix.getCommand() is vulnerable to OS command injection because it interpolates temporary file paths into a /bin/sh -c shell command string without any escaping or input validation. The IN_FILE_ENDING and OUT_FILE_ENDING configuration keys flow directly into these paths, allowing a place author who can write or modify a .cfg file to inject arbitrary shell metacharacters that execute OS commands in the JVM process's security context. The framework already sanitizes placeName via an allowlist before embedding it in the same shell string, but applies no equivalent sanitization to file ending values. No runtime privileges beyond place configuration authorship, and no API or network access, are required to exploit this vulnerability. This is a framework-level defect with no safe mitigation available to downstream implementors, as Executrix provides neither escaping nor documented preconditions against metacharacters in file ending inputs. This issue has been fixed in version 8.43.0.
Severity ?
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
  • CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.43.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35583 (GCVE-0-2026-35583)

Vulnerability from nvd – Published: 2026-04-07 15:57 – Updated: 2026-04-09 16:18
VLAI?
Title
Emissary has a Path Traversal via Blacklist Bypass in Configuration API
Summary
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the configuration API endpoint (/api/configuration/{name}) validated configuration names using a blacklist approach that checked for \, /, .., and trailing .. This could potentially be bypassed using URL-encoded variants, double-encoding, or Unicode normalization to achieve path traversal and read configuration files outside the intended directory. This vulnerability is fixed in 8.39.0.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.39.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35581 (GCVE-0-2026-35581)

Vulnerability from nvd – Published: 2026-04-07 15:56 – Updated: 2026-04-08 14:57
VLAI?
Title
Emissary has a Command Injection via PLACE_NAME Configuration in Executrix
Summary
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the Executrix utility class constructed shell commands by concatenating configuration-derived values — including the PLACE_NAME parameter — with insufficient sanitization. Only spaces were replaced with underscores, allowing shell metacharacters (;, |, $, `, (, ), etc.) to pass through into /bin/sh -c command execution. This vulnerability is fixed in 8.39.0.
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.39.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35580 (GCVE-0-2026-35580)

Vulnerability from nvd – Published: 2026-04-07 15:55 – Updated: 2026-04-07 18:25
VLAI?
Title
Emissary has GitHub Actions Shell Injection via Workflow Inputs
Summary
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, GitHub Actions workflow files contained shell injection points where user-controlled workflow_dispatch inputs were interpolated directly into shell commands via ${{ }} expression syntax. An attacker with repository write access could inject arbitrary shell commands, leading to repository poisoning and supply chain compromise affecting all downstream users. This vulnerability is fixed in 8.39.0.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.39.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35571 (GCVE-0-2026-35571)

Vulnerability from nvd – Published: 2026-04-07 15:26 – Updated: 2026-04-08 14:57
VLAI?
Title
Emissary has Stored XSS via Navigation Template Link Injection
Summary
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript: URIs, enabling stored cross-site scripting (XSS) against other authenticated users viewing the Emissary web interface. This vulnerability is fixed in 8.39.0.
Severity ?
4.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.39.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32639 (GCVE-0-2021-32639)

Vulnerability from nvd – Published: 2021-07-02 15:30 – Updated: 2024-08-03 23:25
VLAI?
Title
Server-Side Request Forgery (SSRF) in emissary:emissary
Summary
Emissary is a P2P-based, data-driven workflow engine. Emissary version 6.4.0 is vulnerable to Server-Side Request Forgery (SSRF). In particular, the `RegisterPeerAction` endpoint and the `AddChildDirectoryAction` endpoint are vulnerable to SSRF. This vulnerability may lead to credential leaks. Emissary version 7.0 contains a patch. As a workaround, disable network access to Emissary from untrusted sources.
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: <= 6.4.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32647 (GCVE-0-2021-32647)

Vulnerability from nvd – Published: 2021-05-28 23:05 – Updated: 2024-08-03 23:25
VLAI?
Title
Post-authentication Remote Code Execution (RCE) in emissary:emissary
Summary
Emissary is a P2P based data-driven workflow engine. Affected versions of Emissary are vulnerable to post-authentication Remote Code Execution (RCE). The [`CreatePlace`](https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/CreatePlaceAction.java#L36) REST endpoint accepts an `sppClassName` parameter which is used to load an arbitrary class. This class is later instantiated using a constructor with the following signature: `<constructor>(String, String, String)`. An attacker may find a gadget (class) in the application classpath that could be used to achieve Remote Code Execution (RCE) or disrupt the application. Even though the chances to find a gadget (class) that allow arbitrary code execution are low, an attacker can still find gadgets that could potentially crash the application or leak sensitive data. As a work around disable network access to Emissary from untrusted sources.
Severity ?
8 (High)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: = 6.4.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32634 (GCVE-0-2021-32634)

Vulnerability from nvd – Published: 2021-05-21 17:15 – Updated: 2024-08-03 23:25
VLAI?
Title
Deserialization of Untrusted Data in Emissary
Summary
Emissary is a distributed, peer-to-peer, data-driven workflow framework. Emissary 6.4.0 is vulnerable to Unsafe Deserialization of post-authenticated requests to the [`WorkSpaceClientEnqueue.action`](https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/WorkSpaceClientEnqueueAction.java) REST endpoint. This issue may lead to post-auth Remote Code Execution. This issue has been patched in version 6.5.0. As a workaround, one can disable network access to Emissary from untrusted sources.
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 6.5.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32093 (GCVE-0-2021-32093)

Vulnerability from nvd – Published: 2021-05-07 03:52 – Updated: 2024-08-03 23:17
VLAI?
Summary
The ConfigFileAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to read arbitrary files via the ConfigName parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-32092 (GCVE-0-2021-32092)

Vulnerability from nvd – Published: 2021-05-07 03:52 – Updated: 2024-08-03 23:17
VLAI?
Summary
A Cross-site scripting (XSS) vulnerability in the DocumentAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows remote attackers to inject arbitrary web script or HTML via the uuid parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-32096 (GCVE-0-2021-32096)

Vulnerability from nvd – Published: 2021-05-07 03:51 – Updated: 2024-08-03 23:17
VLAI?
Summary
The ConsoleAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows a CSRF attack that results in injecting arbitrary Ruby code (for an eval call) via the CONSOLE_COMMAND_STRING parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-32095 (GCVE-0-2021-32095)

Vulnerability from nvd – Published: 2021-05-07 03:51 – Updated: 2024-08-03 23:17
VLAI?
Summary
U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to delete arbitrary files.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-32094 (GCVE-0-2021-32094)

Vulnerability from nvd – Published: 2021-05-07 03:51 – Updated: 2024-08-03 23:17
VLAI?
Summary
U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to upload arbitrary files.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2026-35582 (GCVE-0-2026-35582)

Vulnerability from cvelistv5 – Published: 2026-04-18 01:16 – Updated: 2026-04-20 15:48
VLAI?
Title
Emissary has an OS Command Injection via Unvalidated IN_FILE_ENDING / OUT_FILE_ENDING in Executrix
Summary
Emissary is a P2P based data-driven workflow engine. In versions 8.42.0 and below, Executrix.getCommand() is vulnerable to OS command injection because it interpolates temporary file paths into a /bin/sh -c shell command string without any escaping or input validation. The IN_FILE_ENDING and OUT_FILE_ENDING configuration keys flow directly into these paths, allowing a place author who can write or modify a .cfg file to inject arbitrary shell metacharacters that execute OS commands in the JVM process's security context. The framework already sanitizes placeName via an allowlist before embedding it in the same shell string, but applies no equivalent sanitization to file ending values. No runtime privileges beyond place configuration authorship, and no API or network access, are required to exploit this vulnerability. This is a framework-level defect with no safe mitigation available to downstream implementors, as Executrix provides neither escaping nor documented preconditions against metacharacters in file ending inputs. This issue has been fixed in version 8.43.0.
Severity ?
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
  • CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.43.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35583 (GCVE-0-2026-35583)

Vulnerability from cvelistv5 – Published: 2026-04-07 15:57 – Updated: 2026-04-09 16:18
VLAI?
Title
Emissary has a Path Traversal via Blacklist Bypass in Configuration API
Summary
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the configuration API endpoint (/api/configuration/{name}) validated configuration names using a blacklist approach that checked for \, /, .., and trailing .. This could potentially be bypassed using URL-encoded variants, double-encoding, or Unicode normalization to achieve path traversal and read configuration files outside the intended directory. This vulnerability is fixed in 8.39.0.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.39.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35581 (GCVE-0-2026-35581)

Vulnerability from cvelistv5 – Published: 2026-04-07 15:56 – Updated: 2026-04-08 14:57
VLAI?
Title
Emissary has a Command Injection via PLACE_NAME Configuration in Executrix
Summary
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the Executrix utility class constructed shell commands by concatenating configuration-derived values — including the PLACE_NAME parameter — with insufficient sanitization. Only spaces were replaced with underscores, allowing shell metacharacters (;, |, $, `, (, ), etc.) to pass through into /bin/sh -c command execution. This vulnerability is fixed in 8.39.0.
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.39.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35580 (GCVE-0-2026-35580)

Vulnerability from cvelistv5 – Published: 2026-04-07 15:55 – Updated: 2026-04-07 18:25
VLAI?
Title
Emissary has GitHub Actions Shell Injection via Workflow Inputs
Summary
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, GitHub Actions workflow files contained shell injection points where user-controlled workflow_dispatch inputs were interpolated directly into shell commands via ${{ }} expression syntax. An attacker with repository write access could inject arbitrary shell commands, leading to repository poisoning and supply chain compromise affecting all downstream users. This vulnerability is fixed in 8.39.0.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.39.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35571 (GCVE-0-2026-35571)

Vulnerability from cvelistv5 – Published: 2026-04-07 15:26 – Updated: 2026-04-08 14:57
VLAI?
Title
Emissary has Stored XSS via Navigation Template Link Injection
Summary
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript: URIs, enabling stored cross-site scripting (XSS) against other authenticated users viewing the Emissary web interface. This vulnerability is fixed in 8.39.0.
Severity ?
4.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 8.39.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32639 (GCVE-0-2021-32639)

Vulnerability from cvelistv5 – Published: 2021-07-02 15:30 – Updated: 2024-08-03 23:25
VLAI?
Title
Server-Side Request Forgery (SSRF) in emissary:emissary
Summary
Emissary is a P2P-based, data-driven workflow engine. Emissary version 6.4.0 is vulnerable to Server-Side Request Forgery (SSRF). In particular, the `RegisterPeerAction` endpoint and the `AddChildDirectoryAction` endpoint are vulnerable to SSRF. This vulnerability may lead to credential leaks. Emissary version 7.0 contains a patch. As a workaround, disable network access to Emissary from untrusted sources.
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: <= 6.4.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32647 (GCVE-0-2021-32647)

Vulnerability from cvelistv5 – Published: 2021-05-28 23:05 – Updated: 2024-08-03 23:25
VLAI?
Title
Post-authentication Remote Code Execution (RCE) in emissary:emissary
Summary
Emissary is a P2P based data-driven workflow engine. Affected versions of Emissary are vulnerable to post-authentication Remote Code Execution (RCE). The [`CreatePlace`](https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/CreatePlaceAction.java#L36) REST endpoint accepts an `sppClassName` parameter which is used to load an arbitrary class. This class is later instantiated using a constructor with the following signature: `<constructor>(String, String, String)`. An attacker may find a gadget (class) in the application classpath that could be used to achieve Remote Code Execution (RCE) or disrupt the application. Even though the chances to find a gadget (class) that allow arbitrary code execution are low, an attacker can still find gadgets that could potentially crash the application or leak sensitive data. As a work around disable network access to Emissary from untrusted sources.
Severity ?
8 (High)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: = 6.4.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32634 (GCVE-0-2021-32634)

Vulnerability from cvelistv5 – Published: 2021-05-21 17:15 – Updated: 2024-08-03 23:25
VLAI?
Title
Deserialization of Untrusted Data in Emissary
Summary
Emissary is a distributed, peer-to-peer, data-driven workflow framework. Emissary 6.4.0 is vulnerable to Unsafe Deserialization of post-authenticated requests to the [`WorkSpaceClientEnqueue.action`](https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/WorkSpaceClientEnqueueAction.java) REST endpoint. This issue may lead to post-auth Remote Code Execution. This issue has been patched in version 6.5.0. As a workaround, one can disable network access to Emissary from untrusted sources.
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
NationalSecurityAgency emissary Affected: < 6.5.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32092 (GCVE-0-2021-32092)

Vulnerability from cvelistv5 – Published: 2021-05-07 03:52 – Updated: 2024-08-03 23:17
VLAI?
Summary
A Cross-site scripting (XSS) vulnerability in the DocumentAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows remote attackers to inject arbitrary web script or HTML via the uuid parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-32093 (GCVE-0-2021-32093)

Vulnerability from cvelistv5 – Published: 2021-05-07 03:52 – Updated: 2024-08-03 23:17
VLAI?
Summary
The ConfigFileAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to read arbitrary files via the ConfigName parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-32094 (GCVE-0-2021-32094)

Vulnerability from cvelistv5 – Published: 2021-05-07 03:51 – Updated: 2024-08-03 23:17
VLAI?
Summary
U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to upload arbitrary files.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-32095 (GCVE-0-2021-32095)

Vulnerability from cvelistv5 – Published: 2021-05-07 03:51 – Updated: 2024-08-03 23:17
VLAI?
Summary
U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to delete arbitrary files.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-32096 (GCVE-0-2021-32096)

Vulnerability from cvelistv5 – Published: 2021-05-07 03:51 – Updated: 2024-08-03 23:17
VLAI?
Summary
The ConsoleAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows a CSRF attack that results in injecting arbitrary Ruby code (for an eval call) via the CONSOLE_COMMAND_STRING parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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