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CWE-203
Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.
CVE-2024-49358 (GCVE-0-2024-49358)
Vulnerability from cvelistv5 – Published: 2024-10-24 21:25 – Updated: 2024-10-25 17:28
VLAI
Title
ZimaOS vulnerable to Username Enumeration via API Responses
Summary
ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.2.4 and all prior versions, the API endpoint `http://<Server-IP>/v1/users/login` in ZimaOS returns distinct responses based on whether a username exists or the password is incorrect. This behavior can be exploited for username enumeration, allowing attackers to determine whether a user exists in the system or not. Attackers can leverage this information in further attacks, such as credential stuffing or targeted password brute-forcing. As of time of publication, no known patched versions are available.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/IceWhaleTech/ZimaOS/security/a… | x_refsource_CONFIRM |
| https://youtu.be/BClx2u8DMfM | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| IceWhaleTech | ZimaOS |
Affected:
<= 1.2.4
|
|
| icewhaletech | zimaos |
Affected:
0 , ≤ 1.2.4
(custom)
cpe:2.3:o:icewhaletech:zimaos:*:*:*:*:*:*:*:* |
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CVE-2024-5124 (GCVE-0-2024-5124)
Vulnerability from cvelistv5 – Published: 2024-06-06 18:54 – Updated: 2025-05-20 14:04
VLAI
Title
Timing Attack Vulnerability in gaizhenbiao/chuanhuchatgpt
Summary
A timing attack vulnerability exists in the gaizhenbiao/chuanhuchatgpt repository, specifically within the password comparison logic. The vulnerability is present in version 20240310 of the software, where passwords are compared using the '=' operator in Python. This method of comparison allows an attacker to guess passwords based on the timing of each character's comparison. The issue arises from the code segment that checks a password for a particular username, which can lead to the exposure of sensitive information to an unauthorized actor. An attacker exploiting this vulnerability could potentially guess user passwords, compromising the security of the system.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| gaizhenbiao | gaizhenbiao/chuanhuchatgpt |
Affected:
unspecified , < 20240628
(custom)
|
|
| gaizhenbiao | chuanhuchatgpt |
Affected:
all
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CVE-2024-51477 (GCVE-0-2024-51477)
Vulnerability from cvelistv5 – Published: 2025-03-28 23:51 – Updated: 2025-09-01 01:00
VLAI
Title
IBM InfoSphere Information Server information disclosure
Summary
IBM InfoSphere Information Server 11.7
could allow an authenticated to obtain sensitive username information due to an observable response discrepancy.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7185058 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | InfoSphere Information Server |
Affected:
11.7
cpe:2.3:a:ibm:infosphere_information_server:11.7:*:*:*:*:*:*:* |
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CVE-2024-54002 (GCVE-0-2024-54002)
Vulnerability from cvelistv5 – Published: 2024-12-04 15:33 – Updated: 2024-12-04 21:39
VLAI
Title
Dependency-Track allows enumeration of managed users via /api/v1/user/login endpoint
Summary
Dependency-Track is a Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain. Performing a login request against the /api/v1/user/login endpoint with a username that exist in the system takes significantly longer than performing the same action with a username that is not known by the system. The observable difference in request duration can be leveraged by actors to enumerate valid names of managed users. LDAP and OpenID Connect users are not affected. The issue has been fixed in Dependency-Track 4.12.2.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/DependencyTrack/dependency-tra… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| DependencyTrack | dependency-track |
Affected:
< 4.12.2
|
|
| dependencytrack | dependency-track |
Affected:
0 , < 4.12.2
(custom)
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CVE-2024-9513 (GCVE-0-2024-9513)
Vulnerability from cvelistv5 – Published: 2024-10-04 12:31 – Updated: 2024-10-07 20:27
VLAI
Title
Netadmin Software NetAdmin IAM HTTP POST Request ReturnUserQuestionsFilled information exposure
Summary
A vulnerability was found in Netadmin Software NetAdmin IAM up to 3.5 and classified as problematic. Affected by this issue is some unknown functionality of the file /controller/api/Answer/ReturnUserQuestionsFilled of the component HTTP POST Request Handler. The manipulation of the argument username leads to information exposure through discrepancy. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure is planning to release a fix in mid-October 2024.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Information Exposure Through Discrepancy
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.279212 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.279212 | signaturepermissions-required |
| https://vuldb.com/?submit.413498 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Netadmin Software | NetAdmin IAM |
Affected:
3.0
Affected: 3.1 Affected: 3.2 Affected: 3.3 Affected: 3.4 Affected: 3.5 |
Credits
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CVE-2025-0361 (GCVE-0-2025-0361)
Vulnerability from cvelistv5 – Published: 2025-04-08 05:38 – Updated: 2025-04-08 14:50
VLAI
Summary
During an annual penetration test conducted on behalf of Axis Communications, Truesec discovered a flaw in the VAPIX Device Configuration framework that allowed for unauthenticated username enumeration through the VAPIX Device Configuration SSH Management API.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Axis Communications AB | AXIS OS |
Affected:
11.11.0 , < 11.11.141
(semver)
Affected: 12.0.0 , < 12.3.56 (semver) |
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CVE-2025-11145 (GCVE-0-2025-11145)
Vulnerability from cvelistv5 – Published: 2025-10-24 14:25 – Updated: 2026-06-04 19:44
VLAI
Title
User Enumeration in CBK Soft's enVision
Summary
Observable Discrepancy, Exposure of Sensitive Information to an Unauthorized Actor, Exposure of Private Personal Information to an Unauthorized Actor vulnerability in CBK Soft Software Hardware Electronic Computer Systems Industry and Trade Inc. EnVision allows Account Footprinting.
This issue affects enVision: before 250566.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.usom.gov.tr/bildirim/tr-25-0361 | government-resourcebroken-link |
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CBK Soft Software Hardware Electronic Computer Systems Industry and Trade Inc. | enVision |
Affected:
0 , < 250566
(custom)
|
Date Public
2025-10-24 14:21
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CVE-2025-11443 (GCVE-0-2025-11443)
Vulnerability from cvelistv5 – Published: 2025-10-08 07:32 – Updated: 2025-10-08 13:16
VLAI
Title
JhumanJ OpnForm Forgotten Password email information exposure
Summary
A weakness has been identified in JhumanJ OpnForm up to 1.9.3. This affects an unknown function of the file /api/password/email of the component Forgotten Password Handler. This manipulation causes information exposure through discrepancy. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. The exploit has been made available to the public and could be exploited. This issue is currently aligned with Laravel issue #46465, which is why no mitigation action was taken.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.327380 | vdb-entry |
| https://vuldb.com/?ctiid.327380 | signaturepermissions-required |
| https://vuldb.com/?submit.666890 | third-party-advisory |
| https://docs.google.com/document/d/1GUjJA9vUbsXUn… | exploit |
Impacted products
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CVE-2025-11932 (GCVE-0-2025-11932)
Vulnerability from cvelistv5 – Published: 2025-11-21 23:01 – Updated: 2025-12-08 15:39
VLAI
Title
Timing Side-Channel in PSK Binder Verification
Summary
The server previously verified the TLS 1.3 PSK binder using a non-constant time method which could potentially leak information about the PSK binder
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
1 reference
Credits
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CVE-2025-12888 (GCVE-0-2025-12888)
Vulnerability from cvelistv5 – Published: 2025-11-21 22:50 – Updated: 2025-12-08 15:51
VLAI
Title
Constant Time Issue with Xtensa-based ESP32 and X22519
Summary
Vulnerability in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, specifically with the Xtensa-based ESP32 chips. If targeting Xtensa it is recommended to use the low memory implementations of X25519, which is now turned on as the default for Xtensa.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
1 reference
Credits
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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-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.