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CWE-200 (信息暴露) — Vulnerability Class 2822

2822 vulnerabilities classified as CWE-200 (信息暴露). AI Chinese analysis included.

CWE-200 represents a critical information disclosure weakness where software inadvertently reveals sensitive data to unauthorized entities. This vulnerability is typically exploited by attackers who leverage insufficient access controls, insecure direct object references, or verbose error messages to harvest credentials, personal identifiable information, or internal system details. By analyzing network traffic or manipulating application inputs, adversaries can extract this exposed data to facilitate further attacks, such as identity theft or privilege escalation. To mitigate this risk, developers must implement strict access control mechanisms, ensuring that data retrieval is validated against user permissions. Additionally, employing robust encryption for data at rest and in transit, along with sanitizing error outputs to prevent information leakage, significantly reduces the attack surface. Regular security audits and adherence to the principle of least privilege further ensure that sensitive information remains protected from unauthorized exposure.

MITRE CWE Description
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include: private, personal information, such as personal messages, financial data, health records, geographic location, or contact details system status and environment, such as the operating system and installed packages business secrets and intellectual property network status and configuration the product's own code or internal state metadata, e.g. logging of connections or message headers indirect information, such as a discrepancy between two internal operations that can be observed by an outsider Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include: the product's own users people or organizations whose information is created or used by the product, even if they are not direct product users the product's administrators, including the admins of the system(s) and/or networks on which the product operates the developer Information exposures can occur in different ways: the code explicitly inserts sensitive information into …
Common Consequences (1)
ConfidentialityRead Application Data
Mitigations (1)
Architecture and DesignCompartmentalize 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 separatio…
Examples (2)
The following code checks validity of the supplied username and password and notifies the user of a successful or failed login.
my $username=param('username'); my $password=param('password'); if (IsValidUsername($username) == 1) { if (IsValidPassword($username, $password) == 1) { print "Login Successful"; } else { print "Login Failed - incorrect password"; } } else { print "Login Failed - unknown username"; }
Bad · Perl
"Login Failed - incorrect username or password"
Result
This code tries to open a database connection, and prints any exceptions that occur.
try { openDbConnection(); } //print exception message that includes exception message and configuration file location catch (Exception $e) { echo 'Caught exception: ', $e->getMessage(), '\n'; echo 'Check credentials in config file at: ', $Mysql_config_location, '\n'; }
Bad · PHP
CVE IDTitleCVSSSeverityPublished
CVE-2021-39164 Improper authorisation of /members discloses room membership to non-members — synapse 3.1 Low2021-08-31
CVE-2021-39163 Adding a private/unlisted room to a community exposes room metadata in an unauthorised manner. — synapse 3.1 Low2021-08-31
CVE-2021-34749 Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability — Cisco Web Security Appliance (WSA) 5.8 Medium2021-08-18
CVE-2021-35936 No Authentication on Logging Server — Apache Airflow 5.3 -2021-08-16
CVE-2021-37703 Information exposure in Discourse — discourse 4.3 Medium2021-08-13
CVE-2021-37704 Exposed phpinfo() in PhpFastCache — phpfastcache 5.4 Medium2021-08-12
CVE-2021-21596 Dell OpenManage Enterprise 安全漏洞 — Dell OpenManage Enterprise 9.6 Critical2021-08-09
CVE-2021-21584 Dell OpenManage Enterprise 信息泄露漏洞 — Dell OpenManage Enterprise 7.7 High2021-08-09
CVE-2021-21564 Dell OpenManage Enterprise 授权问题漏洞 — Dell OpenManage Enterprise 9.8 Critical2021-08-09
CVE-2021-3566 FFmpeg 信息泄露漏洞 — ffmpeg 6.5 -2021-08-05
CVE-2021-22925 Arch Linux 安全漏洞 — https://github.com/curl/curl 7.5 -2021-08-05
CVE-2021-34707 Cisco Evolved Programmable Network Manager Sensitive Information Disclosure Vulnerability — Cisco Evolved Programmable Network Manager (EPNM) 6.5 Medium2021-08-04
CVE-2021-32787 Low risk information disclosure in Sourcegraph — sourcegraph 3.1 Low2021-08-02
CVE-2021-20332 MongoDB Rust Driver may publish events containing authentication-related data to a connection pool event listener configured by an application — MongoDB Rust Driver 4.2 Medium2021-08-02
CVE-2021-36091 Unautorized access to the calendar appointments — ((OTRS)) Community Edition 3.5 Low2021-07-26
CVE-2021-21443 Unautorized listing of the customer user emails — ((OTRS)) Community Edition 3.5 Low2021-07-26
CVE-2021-21440 Support Bundle includes S/Mime and PGP keys — ((OTRS)) Community Edition 5.2 Medium2021-07-26
CVE-2020-7387 Sage X3 AdxAdmin Exposure of Sensitive Information to an Unauthorized Actor — X3 5.3 Medium2021-07-22
CVE-2021-22001 UAA server 信息泄露漏洞 — Cloud Foundry UAA server 7.5 -2021-07-22
CVE-2021-22145 Elastic 安全漏洞 — Elasticsearch 6.5 -2021-07-21
CVE-2021-22728 EVlink City、EVlink Parking、EVlink Smart Wallbox 信息泄露漏洞 — EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all versions prior to R8 V3.4.0.1 ) 6.5 -2021-07-21
CVE-2021-22721 EVlink City、EVlink Parking和EVlink Smart Wallbox 信息泄露漏洞 — EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all versions prior to R8 V3.4.0.1 ) 5.3 -2021-07-21
CVE-2021-22770 Easergy T300 信息泄露漏洞 — Easergy T300 with firmware V2.7.1 and older 6.5 -2021-07-21
CVE-2021-21816 D-LINK DIR-3040 信息泄露漏洞 — D-LINK 5.3 -2021-07-16
CVE-2021-21817 D-LINK DIR-3040 信息泄露漏洞 — D-Link 7.5 -2021-07-16
CVE-2021-32770 Basic-auth app bundle credential exposure in gatsby-source-wordpress — gatsby 7.5 High2021-07-15
CVE-2021-34429 Eclipse Jetty 安全漏洞 — Eclipse Jetty 5.3 Medium2021-07-15
CVE-2021-32750 De-anonymization via message — muwire 6.8 Medium2021-07-15
CVE-2021-21587 Dell Wyse Management Suite 信息泄露漏洞 — Wyse Management Suite 5.3 Medium2021-07-15
CVE-2021-35527 Password Autocomplete Vulnerability in Hitachi ABB Power Grids eSOMS Application — eSOMS 7.5 High2021-07-14

Vulnerabilities classified as CWE-200 (信息暴露) represent 2822 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.