CWE-204
Observable Response Discrepancy
The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.
CVE-2025-58442 (GCVE-0-2025-58442)
Vulnerability from cvelistv5 – Published: 2025-09-09 19:46 – Updated: 2025-09-10 13:50
VLAI
Title
Saleor has user enumeration vulnerability due to different error messages
Summary
Saleor is an e-commerce platform. Starting in version 3.21.0 and prior to version 3.21.16, requesting certain fields in the response of `accountRegister` may result in errors that could unintentionally reveal whether a user with the provided email already exists in Saleor. Version 3.21.16 fixes the issue. As a workaround, rate-limit the mutation to reduce the impact.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/saleor/saleor/security/advisor… | x_refsource_CONFIRM |
| https://github.com/saleor/saleor/commit/09d671e91… | x_refsource_MISC |
| https://github.com/saleor/saleor/commit/b35783838… | x_refsource_MISC |
| https://github.com/saleor/saleor/releases/tag/3.21.16 | x_refsource_MISC |
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CVE-2025-58586 (GCVE-0-2025-58586)
Vulnerability from cvelistv5 – Published: 2025-10-06 07:02 – Updated: 2026-05-13 11:56
VLAI
Title
User Enumeration by excessive error output
Summary
For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://sick.com/psirt | x_SICK PSIRT Security Advisories |
| https://www.sick.com/media/docs/9/19/719/special_… | x_SICK Operating Guidelines |
| https://www.cisa.gov/resources-tools/resources/ic… | x_ICS-CERT recommended practices on Industrial Security |
| https://www.first.org/cvss/calculator/3.1 | x_CVSS v3.1 Calculator |
| https://www.sick.com/.well-known/csaf/white/2025/… | x_The canonical URL. |
| https://www.sick.com/.well-known/csaf/white/2025/… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| SICK AG | Baggage Analytics |
Affected:
0 , < 4.6.3
(custom)
|
|
| SICK AG | Tire Analytics |
Affected:
0 , < 4.6.3
(custom)
|
|
| SICK AG | Package Analytics |
Affected:
0 , < 4.6.3
(custom)
|
|
| SICK AG | Logistic Diagnostic Analytics |
Affected:
0 , < 4.6.3
(custom)
|
|
| SICK AG | Enterprise Analytics |
Affected:
all versions
(custom)
|
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CVE-2025-59116 (GCVE-0-2025-59116)
Vulnerability from cvelistv5 – Published: 2025-11-18 13:26 – Updated: 2025-12-05 12:21
VLAI
Title
User enumeration in Windu CMS
Summary
Windu CMS is vulnerable to User Enumeration. This issue occurs during logon, where a difference in messages could allow an attacker to determine if the login is valid or not, enabling a brute force attack with valid logins.
Only version 4.1 was tested and confirmed as vulnerable.
This issue was fixed in version 4.1 build 2250.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://windu.org | product |
| https://cert.pl/posts/2025/11/CVE-2025-59110 | third-party-advisory |
Date Public
2025-11-18 10:55
Credits
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CVE-2025-61789 (GCVE-0-2025-61789)
Vulnerability from cvelistv5 – Published: 2025-10-16 17:00 – Updated: 2025-10-16 18:03
VLAI
Title
Icinga DB Web hidden/protected custom variables are prone to filter enumeration
Summary
Icinga DB Web provides a graphical interface for Icinga monitoring. Before 1.1.4 and 1.2.3, an authorized user with access to Icinga DB Web, can use a custom variable in a filter that is either protected by icingadb/protect/variables or hidden by icingadb/denylist/variables, to guess values assigned to it. Versions 1.1.4 and 1.2.3 respond with an error if such a custom variable is used.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Icinga/icingadb-web/security/a… | x_refsource_CONFIRM |
| https://github.com/Icinga/icingadb-web/commit/5e9… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Icinga | icingadb-web |
Affected:
< 1.1.4
Affected: >= 1.2.0, < 1.2.3 |
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CVE-2025-61907 (GCVE-0-2025-61907)
Vulnerability from cvelistv5 – Published: 2025-10-16 17:11 – Updated: 2025-10-16 19:23
VLAI
Title
Icinga 2 API users could access restricted values in filter expressions
Summary
Icinga 2 is an open source monitoring system. In Icinga 2 versions 2.4 through 2.15.0, filter expressions provided to the various /v1/objects endpoints could access variables or objects that would otherwise be inaccessible for the user. This allows authenticated API users to learn information that should be hidden from them, including global variables not permitted by the variables permission and objects not permitted by the corresponding objects/query permissions. The vulnerability is fixed in versions 2.15.1, 2.14.7, and 2.13.13.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Icinga/icinga2/security/adviso… | x_refsource_CONFIRM |
| https://github.com/Icinga/icinga2/commit/56255ac7… | x_refsource_MISC |
Impacted products
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CVE-2025-62181 (GCVE-0-2025-62181)
Vulnerability from cvelistv5 – Published: 2025-12-10 20:41 – Updated: 2025-12-11 15:32
VLAI
Title
Pega Platform versions 7.1.0 through Infinity 25.1.0 are affected by a User Enumeration where during user authentication process, a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.
Summary
Pega Platform versions 7.1.0 through Infinity 25.1.0 are affected by a User Enumeration. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not. This only applies to deprecated basic-authentication feature and other more secure authentication mechanisms are recommended. A fix is being provided in the 24.1.4, 24.2.4, and 25.1.1 patch releases. Please note: Basic credentials authentication service type is deprecated started in 24.2 version: https://docs.pega.com/bundle/platform/page/platform/release-notes/security/whats-new-security-242.html.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Pegasystems | Pega Infinity |
Affected:
7.1.0 , < Infinity 25.1.1
(custom)
|
Date Public
2025-12-10 15:00
Credits
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CVE-2025-62236 (GCVE-0-2025-62236)
Vulnerability from cvelistv5 – Published: 2025-10-23 19:31 – Updated: 2025-10-27 13:45 Exclusively Hosted Service
VLAI
Title
Frontier Airlines publicly available email address validation
Summary
The Frontier Airlines website has a publicly available endpoint that validates if an email addresses is associated with an account. An unauthenticated, remote attacker could determine valid email addresses, possibly aiding in further attacks.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Frontier Airlines | flyfrontier.com |
Affected:
*
|
Date Public
2025-10-23 00:00
Credits
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CVE-2025-62512 (GCVE-0-2025-62512)
Vulnerability from cvelistv5 – Published: 2026-02-24 16:43 – Updated: 2026-02-27 20:52
VLAI
Title
Piwigo Vulnerable to User Enumeration via Password Reset Endpoint
Summary
Piwigo is an open source photo gallery application for the web. In version 15.5.0 and likely earlier 15.x releases, the password reset functionality in Piwigo allows an unauthenticated attacker to determine whether a given username or email address exists in the system. The endpoint at password.php?action=lost returns distinct messages for valid vs. invalid accounts, enabling user enumeration. As of time of publication, no known patches are available.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Piwigo/Piwigo/security/advisor… | x_refsource_CONFIRM |
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CVE-2025-66307 (GCVE-0-2025-66307)
Vulnerability from cvelistv5 – Published: 2025-12-01 21:53 – Updated: 2025-12-02 20:07
VLAI
Title
Grav Admin Plugin vulnerable to User Enumeration & Email Disclosure
Summary
This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a user enumeration and email disclosure vulnerability exists in Grav. The "Forgot Password" functionality at /admin/forgot leaks information about valid usernames and their associated email addresses through distinct server responses. This allows an attacker to enumerate users and disclose sensitive email addresses, which can be leveraged for targeted attacks such as password spraying, phishing, or social engineering. This vulnerability is fixed in 1.11.0-beta.1.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-admin/comm… | x_refsource_MISC |
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CVE-2025-67500 (GCVE-0-2025-67500)
Vulnerability from cvelistv5 – Published: 2025-12-09 23:44 – Updated: 2026-01-08 15:18
VLAI
Title
Mastodon Error Handling Discrepancy Enables Private Status Existence Enumeration
Summary
Mastodon is a free, open-source social network server based on ActivityPub. Versions 4.2.27 and prior, 4.3.0-beta.1 through 4.3.14, 4.4.0-beta.1 through 4.4.9, 4.5.0-beta.1 through 4.5.2 have discrepancies in error handling which allow checking whether a given status exists by sending a request with a non-English Accept-Language header. Using this behavior, an attacker who knows the identifier of a particular status they are not allowed to see can confirm whether this status exists or not. This cannot be used to learn the contents of the status or any other property besides its existence. This issue is fixed in versions 4.2.28, 4.3.15, 4.4.10 and 4.5.3.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/mastodon/mastodon/security/adv… | x_refsource_CONFIRM |
| https://github.com/mastodon/mastodon/pull/37077/c… | x_refsource_MISC |
Impacted products
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Mitigation ID: MIT-46
Phase: Architecture and Design
Strategy: Separation of Privilege
Description:
- Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
- Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
Mitigation ID: MIT-39
Phase: Implementation
Description:
- Ensure that error messages only contain minimal details that are useful to the intended audience and no one else. The messages need to strike the balance between being too cryptic (which can confuse users) or being too detailed (which may reveal more than intended). The messages should not reveal the methods that were used to determine the error. Attackers can use detailed information to refine or optimize their original attack, thereby increasing their chances of success.
- If errors must be captured in some detail, record them in log messages, but consider what could occur if the log messages can be viewed by attackers. Highly sensitive information such as passwords should never be saved to log files.
- Avoid inconsistent messaging that might accidentally tip off an attacker about internal state, such as whether a user account exists or not.
CAPEC-331: ICMP IP Total Length Field Probe
An adversary sends a UDP packet to a closed port on the target machine to solicit an IP Header's total length field value within the echoed 'Port Unreachable" error message. This type of behavior is useful for building a signature-base of operating system responses, particularly when error messages contain other types of information that is useful identifying specific operating system responses.
CAPEC-332: ICMP IP 'ID' Field Error Message Probe
An adversary sends a UDP datagram having an assigned value to its internet identification field (ID) to a closed port on a target to observe the manner in which this bit is echoed back in the ICMP error message. This allows the attacker to construct a fingerprint of specific OS behaviors.
CAPEC-541: Application Fingerprinting
An adversary engages in fingerprinting activities to determine the type or version of an application installed on a remote target.
CAPEC-580: System Footprinting
An adversary engages in active probing and exploration activities to determine security information about a remote target system. Often times adversaries will rely on remote applications that can be probed for system configurations.