CWE-94
Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2020-8218 (GCVE-0-2020-8218)
Vulnerability from cvelistv5 – Published: 2020-07-30 12:53 – Updated: 2025-10-21 23:35
VLAI
Summary
A code injection vulnerability exists in Pulse Connect Secure <9.1R8 that allows an attacker to crafted a URI to perform an arbitrary code execution via the admin web interface.
Severity
7.2 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Code Injection (CWE-94)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://kb.pulsesecure.net/articles/Pulse_Securit… | x_refsource_MISC |
| https://www.gosecure.net/blog/2020/11/13/forget-y… | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Pulse Connect Secure |
Affected:
Fixed in 9.1R8
|
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CVE-2020-8224 (GCVE-0-2020-8224)
Vulnerability from cvelistv5 – Published: 2020-08-10 13:35 – Updated: 2024-08-04 09:56
VLAI
Summary
A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL config into a fixed directory.
Severity
No CVSS data available.
CWE
- CWE-94 - Code Injection (CWE-94)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/622170 | x_refsource_MISC |
| https://nextcloud.com/security/advisory/?id=NC-SA… | x_refsource_MISC |
| https://security.gentoo.org/glsa/202009-09 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Desktop Client |
Affected:
Fixed in 2.6.5
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CVE-2020-8243 (GCVE-0-2020-8243)
Vulnerability from cvelistv5 – Published: 2020-09-29 13:44 – Updated: 2025-10-21 23:35
VLAI
Summary
A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to upload custom template to perform an arbitrary code execution.
Severity
7.2 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Code Injection (CWE-94)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://kb.pulsesecure.net/articles/Pulse_Securit… | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Pulse Connect Secre |
Affected:
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|
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CVE-2020-8274 (GCVE-0-2020-8274)
Vulnerability from cvelistv5 – Published: 2021-01-06 20:59 – Updated: 2024-08-04 09:56
VLAI
Summary
Citrix Secure Mail for Android before 20.11.0 suffers from Improper Control of Generation of Code ('Code Injection') by allowing unauthenticated access to read data stored within Secure Mail. Note that a malicious app would need to be installed on the Android device or a threat actor would need to execute arbitrary code on the Android device.
Severity
No CVSS data available.
CWE
- CWE-94 - Code Injection (CWE-94)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.citrix.com/article/CTX286763 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Citrix Secure Mail for Android |
Affected:
Fixed in 20.11.0
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CVE-2021-1362 (GCVE-0-2021-1362)
Vulnerability from cvelistv5 – Published: 2021-04-08 04:05 – Updated: 2024-11-08 23:29
VLAI
Title
Cisco Unified Communications Products Remote Code Execution Vulnerability
Summary
A vulnerability in the SOAP API endpoint of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, Cisco Unity Connection, and Cisco Prime License Manager could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by sending a SOAP API request with crafted parameters to an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges on the underlying Linux operating system of the affected device.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Unity Connection |
Affected:
n/a
|
Date Public
2021-04-07 00:00
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CVE-2021-1518 (GCVE-0-2021-1518)
Vulnerability from cvelistv5 – Published: 2021-07-22 15:20 – Updated: 2024-11-07 22:05
VLAI
Title
Cisco Firepower Device Manager On-Box Software Remote Code Execution Vulnerability
Summary
A vulnerability in the REST API of Cisco Firepower Device Manager (FDM) On-Box Software could allow an authenticated, remote attacker to execute arbitrary code on the underlying operating system of an affected device. This vulnerability is due to insufficient sanitization of user input on specific REST API commands. An attacker could exploit this vulnerability by sending a crafted HTTP request to the API subsystem of an affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system. To exploit this vulnerability, an attacker would need valid low-privileged user credentials.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Firepower Threat Defense Software |
Affected:
n/a
|
Date Public
2021-07-21 00:00
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CVE-2021-1585 (GCVE-0-2021-1585)
Vulnerability from cvelistv5 – Published: 2021-07-08 18:35 – Updated: 2024-09-17 02:20
VLAI
Title
Cisco Adaptive Security Device Manager Remote Code Execution Vulnerability
Summary
A vulnerability in the Cisco Adaptive Security Device Manager (ASDM) Launcher could allow an unauthenticated, remote attacker to execute arbitrary code on a user's operating system. This vulnerability is due to a lack of proper signature verification for specific code exchanged between the ASDM and the Launcher. An attacker could exploit this vulnerability by leveraging a man-in-the-middle position on the network to intercept the traffic between the Launcher and the ASDM and then inject arbitrary code. A successful exploit could allow the attacker to execute arbitrary code on the user's operating system with the level of privileges assigned to the ASDM Launcher. A successful exploit may require the attacker to perform a social engineering attack to persuade the user to initiate communication from the Launcher to the ASDM.
Severity
7.5 (High)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| https://www.rapid7.com/blog/post/2022/08/11/rapid… | x_refsource_MISC |
| https://github.com/jbaines-r7/staystaystay | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Adaptive Security Appliance (ASA) Software |
Affected:
n/a
|
Date Public
2021-07-07 00:00
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CVE-2021-20187 (GCVE-0-2021-20187)
Vulnerability from cvelistv5 – Published: 2021-01-28 18:30 – Updated: 2024-08-03 17:30
VLAI
Summary
It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that it was possible for site administrators to execute arbitrary PHP scripts via a PHP include used during Shibboleth authentication.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://moodle.org/mod/forum/discuss.php?d=417171 | x_refsource_MISC |
Impacted products
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CVE-2021-21345 (GCVE-0-2021-21345)
Vulnerability from cvelistv5 – Published: 2021-03-22 23:40 – Updated: 2024-08-03 18:09
VLAI
Title
XStream is vulnerable to a Remote Command Execution attack
Summary
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Severity
5.8 (Medium)
CWE
Assigner
References
16 references
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CVE-2021-21415 (GCVE-0-2021-21415)
Vulnerability from cvelistv5 – Published: 2021-04-29 16:50 – Updated: 2024-08-03 18:09
VLAI
Title
Visual Studio Code Prisma Extension Remote Code Execution Vulnerability
Summary
Prisma VS Code a VSCode extension for Prisma schema files. This is a Remote Code Execution Vulnerability that affects all versions of the Prisma VS Code extension older than 2.20.0. If a custom binary path for the Prisma format binary is set in VS Code Settings, for example by downloading a project that has a .vscode/settings.json file that sets a value for "prismaFmtBinPath". That custom binary is executed when auto-formatting is triggered by VS Code or when validation checks are triggered after each keypress on a *.prisma file. Fixed in versions 2.20.0 and 20.0.27. As a workaround users can either edit or delete the `.vscode/settings.json` file or check if the binary is malicious and delete it.
Severity
7.8 (High)
CWE
- CWE-94 - {"CWE-94":"Improper Control of Generation of Code ('Code Injection')"}
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/prisma/language-tools/security… | x_refsource_CONFIRM |
| https://github.com/prisma/language-tools/pull/750 | x_refsource_MISC |
| https://marketplace.visualstudio.com/items?itemNa… | x_refsource_MISC |
| https://marketplace.visualstudio.com/items?itemNa… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| prisma | language-tools |
Affected:
>= 2.1.0, < 2.20.0
Affected: < 20.0.27 |
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Mitigation
Phase: Architecture and Design
Strategy: Refactoring
Description:
- Refactor your program so that you do not have to dynamically generate code.
Mitigation
Phase: Architecture and Design
Description:
- Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product.
- Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
Mitigation ID: MIT-5
Phase: Implementation
Strategy: Input Validation
Description:
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- To reduce the likelihood of code injection, use stringent allowlists that limit which constructs are allowed. If you are dynamically constructing code that invokes a function, then verifying that the input is alphanumeric might be insufficient. An attacker might still be able to reference a dangerous function that you did not intend to allow, such as system(), exec(), or exit().
Mitigation
Phase: Testing
Description:
- Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.
Mitigation ID: MIT-32
Phase: Operation
Strategy: Compilation or Build Hardening
Description:
- Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).
Mitigation ID: MIT-32
Phase: Operation
Strategy: Environment Hardening
Description:
- Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).
Mitigation
Phase: Implementation
Description:
- For Python programs, it is frequently encouraged to use the ast.literal_eval() function instead of eval, since it is intentionally designed to avoid executing code. However, an adversary could still cause excessive memory or stack consumption via deeply nested structures [REF-1372], so the python documentation discourages use of ast.literal_eval() on untrusted data [REF-1373].
CAPEC-242: Code Injection
An adversary exploits a weakness in input validation on the target to inject new code into that which is currently executing. This differs from code inclusion in that code inclusion involves the addition or replacement of a reference to a code file, which is subsequently loaded by the target and used as part of the code of some application.
CAPEC-35: Leverage Executable Code in Non-Executable Files
An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.
CAPEC-77: Manipulating User-Controlled Variables
This attack targets user controlled variables (DEBUG=1, PHP Globals, and So Forth). An adversary can override variables leveraging user-supplied, untrusted query variables directly used on the application server without any data sanitization. In extreme cases, the adversary can change variables controlling the business logic of the application. For instance, in languages like PHP, a number of poorly set default configurations may allow the user to override variables.