CWE-203
AllowedObservable Discrepancy
Abstraction: Base · Status: Incomplete
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.
886 vulnerabilities reference this CWE, most recent first.
GHSA-G64F-MXRQ-5H8C
Vulnerability from github – Published: 2022-05-24 19:14 – Updated: 2022-05-24 19:14In Kaden PICOFLUX Air in all known versions an information exposure through observable discrepancy exists. This may give sensitive information (water consumption without distinct values) to third parties.
{
"affected": [],
"aliases": [
"CVE-2021-34576"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-09-16T13:15:00Z",
"severity": "MODERATE"
},
"details": "In Kaden PICOFLUX Air in all known versions an information exposure through observable discrepancy exists. This may give sensitive information (water consumption without distinct values) to third parties.",
"id": "GHSA-g64f-mxrq-5h8c",
"modified": "2022-05-24T19:14:51Z",
"published": "2022-05-24T19:14:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34576"
},
{
"type": "WEB",
"url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34576.en"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-G759-2X5W-F89C
Vulnerability from github – Published: 2024-02-21 18:31 – Updated: 2024-03-19 18:31An issue was discovered in LIVEBOX Collaboration vDesk through v031. An Observable Response Discrepancy can occur under the /api/v1/vdeskintegration/user/isenableuser endpoint, the /api/v1/sharedsearch?search={NAME]+{SURNAME] endpoint, and the /login endpoint. The web application provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.
{
"affected": [],
"aliases": [
"CVE-2022-45177"
],
"database_specific": {
"cwe_ids": [
"CWE-203",
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-02-21T16:15:49Z",
"severity": "HIGH"
},
"details": "An issue was discovered in LIVEBOX Collaboration vDesk through v031. An Observable Response Discrepancy can occur under the /api/v1/vdeskintegration/user/isenableuser endpoint, the /api/v1/sharedsearch?search={NAME]+{SURNAME] endpoint, and the /login endpoint. The web application provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.",
"id": "GHSA-g759-2x5w-f89c",
"modified": "2024-03-19T18:31:58Z",
"published": "2024-02-21T18:31:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45177"
},
{
"type": "WEB",
"url": "https://www.gruppotim.it/it/footer/red-team.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-G854-MV2R-2R5H
Vulnerability from github – Published: 2023-07-24 18:30 – Updated: 2025-04-15 12:30A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implemented in /arch/x86/mm/cpu_entry_area.c, which works through the init_cea_offsets() function when KASLR is enabled. However, despite this feature, there is still a risk of per-cpu entry area leaks. This issue could allow a local user to gain access to some important data with memory in an expected location and potentially escalate their privileges on the system.
{
"affected": [],
"aliases": [
"CVE-2023-3640"
],
"database_specific": {
"cwe_ids": [
"CWE-203",
"CWE-385"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-07-24T16:15:13Z",
"severity": "HIGH"
},
"details": "A possible unauthorized memory access flaw was found in the Linux kernel\u0027s cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the \u0027Randomize per-cpu entry area\u0027 feature was implemented in /arch/x86/mm/cpu_entry_area.c, which works through the init_cea_offsets() function when KASLR is enabled. However, despite this feature, there is still a risk of per-cpu entry area leaks. This issue could allow a local user to gain access to some important data with memory in an expected location and potentially escalate their privileges on the system.",
"id": "GHSA-g854-mv2r-2r5h",
"modified": "2025-04-15T12:30:24Z",
"published": "2023-07-24T18:30:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3640"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2023:6583"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2023-3640"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2217523"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-G8W9-P6WX-8FXC
Vulnerability from github – Published: 2026-08-06 09:30 – Updated: 2026-08-06 09:30When Multi-Attribute Login is enabled, the login interface fails to consistently mask the existence of user accounts. For valid users, the server resolves and displays their canonical username, while for non-existent users, it echoes the original input. This occurs regardless of the validate_username configuration.
The discovery of valid usernames can increase the risk of brute force attacks, social engineering attacks, and targeted information leakage. Attackers can leverage this information to craft more effective phishing campaigns or social engineering tactics to compromise user accounts or extract sensitive data.
{
"affected": [],
"aliases": [
"CVE-2025-13736"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-08-06T08:16:28Z",
"severity": "LOW"
},
"details": "When Multi-Attribute Login is enabled, the login interface fails to consistently mask the existence of user accounts. For valid users, the server resolves and displays their canonical username, while for non-existent users, it echoes the original input. This occurs regardless of the validate_username configuration.\n\nThe discovery of valid usernames can increase the risk of brute force attacks, social engineering attacks, and targeted information leakage. Attackers can leverage this information to craft more effective phishing campaigns or social engineering tactics to compromise user accounts or extract sensitive data.",
"id": "GHSA-g8w9-p6wx-8fxc",
"modified": "2026-08-06T09:30:30Z",
"published": "2026-08-06T09:30:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-13736"
},
{
"type": "WEB",
"url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4013"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-G9P5-P7H5-P2WG
Vulnerability from github – Published: 2022-05-24 19:04 – Updated: 2025-12-03 15:30Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. (There is also an interoperability problem because the selection of the k integer value does not properly consider the differences between basic ElGamal encryption and generalized ElGamal encryption.) This, for example, affects use of ElGamal in OpenPGP.
{
"affected": [],
"aliases": [
"CVE-2021-33560"
],
"database_specific": {
"cwe_ids": [
"CWE-203",
"CWE-325"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-06-08T11:15:00Z",
"severity": "HIGH"
},
"details": "Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. (There is also an interoperability problem because the selection of the k integer value does not properly consider the differences between basic ElGamal encryption and generalized ElGamal encryption.) This, for example, affects use of ElGamal in OpenPGP.",
"id": "GHSA-g9p5-p7h5-p2wg",
"modified": "2025-12-03T15:30:27Z",
"published": "2022-05-24T19:04:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33560"
},
{
"type": "WEB",
"url": "https://dev.gnupg.org/T5305"
},
{
"type": "WEB",
"url": "https://dev.gnupg.org/T5328"
},
{
"type": "WEB",
"url": "https://dev.gnupg.org/T5466"
},
{
"type": "WEB",
"url": "https://dev.gnupg.org/rCe8b7f10be275bcedb5fc05ed4837a89bfd605c61"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00021.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BKKTOIGFW2SGN3DO2UHHVZ7MJSYN4AAB"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7OAPCUGPF3VLA7QAJUQSL255D4ITVTL"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BKKTOIGFW2SGN3DO2UHHVZ7MJSYN4AAB"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R7OAPCUGPF3VLA7QAJUQSL255D4ITVTL"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202210-13"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpujan2022.html"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpujul2022.html"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-GC7R-MR2H-CG8H
Vulnerability from github – Published: 2024-11-19 21:31 – Updated: 2024-11-20 18:32In the LG LAF component, there is a special command that allowed modification of certain partitions. This could lead to bypass of secure boot. User interaction is not needed for exploitation.
{
"affected": [],
"aliases": [
"CVE-2018-9364"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-19T20:15:27Z",
"severity": "HIGH"
},
"details": "In the LG LAF component, there is a special command that allowed modification of certain partitions. This could lead to bypass of secure boot. User interaction is not needed for exploitation.",
"id": "GHSA-gc7r-mr2h-cg8h",
"modified": "2024-11-20T18:32:16Z",
"published": "2024-11-19T21:31:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-9364"
},
{
"type": "WEB",
"url": "https://source.android.com/security/bulletin/2018-06-01"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-GC93-42JM-WCM5
Vulnerability from github – Published: 2023-10-30 18:30 – Updated: 2023-11-06 18:30In Settings, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
{
"affected": [],
"aliases": [
"CVE-2023-21325"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-10-30T17:15:49Z",
"severity": "MODERATE"
},
"details": "In Settings, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.",
"id": "GHSA-gc93-42jm-wcm5",
"modified": "2023-11-06T18:30:18Z",
"published": "2023-10-30T18:30:24Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-21325"
},
{
"type": "WEB",
"url": "https://source.android.com/docs/security/bulletin/android-14"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-GCG5-86JR-F7JG
Vulnerability from github – Published: 2026-05-07 00:03 – Updated: 2026-05-08 21:47Impact
The screenshots, tasks, and component link API allowed for the enumeration of translations in a project inaccessible to the user.
Patches
- https://github.com/WeblateOrg/weblate/pull/19258
Acknowledgement
Weblate thanks Luay for reporting this vulnerability according to the organization's security issues guideline.
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "weblate"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.17.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-44263"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": true,
"github_reviewed_at": "2026-05-07T00:03:50Z",
"nvd_published_at": "2026-05-07T15:16:10Z",
"severity": "MODERATE"
},
"details": "### Impact\n\nThe screenshots, tasks, and component link API allowed for the enumeration of translations in a project inaccessible to the user.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/19258\n\n### Acknowledgement\nWeblate thanks Luay for reporting this vulnerability according to the organization\u0027s [security issues guideline](https://docs.weblate.org/en/latest/security/issues.html).",
"id": "GHSA-gcg5-86jr-f7jg",
"modified": "2026-05-08T21:47:47Z",
"published": "2026-05-07T00:03:50Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-gcg5-86jr-f7jg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44263"
},
{
"type": "WEB",
"url": "https://github.com/WeblateOrg/weblate/pull/19258"
},
{
"type": "WEB",
"url": "https://github.com/WeblateOrg/weblate/commit/6cf892c7bd50b667a65a99d716a90694f7d9f203"
},
{
"type": "PACKAGE",
"url": "https://github.com/WeblateOrg/weblate"
},
{
"type": "WEB",
"url": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "Weblate Vulnerable to Private Translation Enumeration via Screenshot API"
}
GHSA-GF86-2HWM-RMXM
Vulnerability from github – Published: 2024-06-16 18:31 – Updated: 2024-08-07 18:30Shenzhen Guoxin Synthesis image system before 8.3.0 allows username enumeration because of the response discrepancy of incorrect versus error.
{
"affected": [],
"aliases": [
"CVE-2024-38465"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-06-16T16:15:09Z",
"severity": "MODERATE"
},
"details": "Shenzhen Guoxin Synthesis image system before 8.3.0 allows username enumeration because of the response discrepancy of incorrect versus error.",
"id": "GHSA-gf86-2hwm-rmxm",
"modified": "2024-08-07T18:30:40Z",
"published": "2024-06-16T18:31:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38465"
},
{
"type": "WEB",
"url": "https://github.com/Pumpkin-ito/Cve-Vuln/blob/main/Guosen%20synthetic%20imaging%20system%20vulnerability.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-GGJG-GJPC-93CX
Vulnerability from github – Published: 2025-01-28 00:32 – Updated: 2025-11-03 21:32This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Ventura 13.7.3, macOS Sequoia 15.3, macOS Sonoma 14.7.3. Deleting a conversation in Messages may expose user contact information in system logging.
{
"affected": [],
"aliases": [
"CVE-2025-24146"
],
"database_specific": {
"cwe_ids": [
"CWE-200",
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-27T22:15:19Z",
"severity": "CRITICAL"
},
"details": "This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Ventura 13.7.3, macOS Sequoia 15.3, macOS Sonoma 14.7.3. Deleting a conversation in Messages may expose user contact information in system logging.",
"id": "GHSA-ggjg-gjpc-93cx",
"modified": "2025-11-03T21:32:29Z",
"published": "2025-01-28T00:32:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-24146"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/122068"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/122069"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/122070"
},
{
"type": "WEB",
"url": "http://seclists.org/fulldisclosure/2025/Jan/15"
},
{
"type": "WEB",
"url": "http://seclists.org/fulldisclosure/2025/Jan/16"
},
{
"type": "WEB",
"url": "http://seclists.org/fulldisclosure/2025/Jan/17"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation MIT-46
Strategy: Separation of Privilege
- 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 MIT-39
- 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-189: Black Box Reverse Engineering
An adversary discovers the structure, function, and composition of a type of computer software through black box analysis techniques. 'Black Box' methods involve interacting with the software indirectly, in the absence of direct access to the executable object. Such analysis typically involves interacting with the software at the boundaries of where the software interfaces with a larger execution environment, such as input-output vectors, libraries, or APIs. Black Box Reverse Engineering also refers to gathering physical side effects of a hardware device, such as electromagnetic radiation or sounds.