Username Enumeration via External User Stores in Multiple WSO2 Products Allows User Account Discovery
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 3.1.0.310, 3.2.0.401, 3.2.1.26, 4.0.0.318, 4.1.0.180, and 18 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
When a WSO2 product is configured to use an external user store, the system fails to adequately obscure the existence or validity of usernames during authentication attempts. This oversight allows an attacker to repeatedly query the authentication mechanism with different username guesses, enabling the enumeration of valid usernames present in the external user store. The discovery of valid usernames can increase the risk of targeted brute-force attacks, social engineering, and information leakage. Attackers can leverage this information to craft more convincing phishing campaigns or other social engineering tactics to trick users into revealing sensitive data. The presence of username enumeration could also negatively impact an organization's reputation, leading to loss of customer trust, regulatory non-compliance, and potential legal and financial repercussions.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- WSO2 WSO2 API Manager
From 3.1.0 · fixed in 3.1.0.310; From 3.2.0 · fixed in 3.2.0.401; From 3.2.1 · fixed in 3.2.1.26; From 4.0.0 · fixed in 4.0.0.318; From 4.1.0 · fixed in 4.1.0.180; From 4.2.0 · fixed in 4.2.0.119; From 4.3.0 · fixed in 4.3.0.30
- WSO2 WSO2 Identity Server as Key Manager
From 5.10.0 · fixed in 5.10.0.320
- WSO2 WSO2 Identity Server
From 5.10.0 · fixed in 5.10.0.326; From 6.0.0 · fixed in 6.0.0.214; From 6.1.0 · fixed in 6.1.0.198; From 7.0.0 · fixed in 7.0.0.67
- WSO2 WSO2 Open Banking IAM
From 2.0.0 · fixed in 2.0.0.371
- WSO2 WSO2 Open Banking AM
From 2.0.0 · fixed in 2.0.0.351
- org.wso2.carbon.identity.handler.event.account.lock
From 1.4.0 · fixed in 1.4.0.15; From 1.4.0 · fixed in 1.4.0.16; From 1.4.11 · fixed in 1.4.11.14; From 1.4.37 · fixed in 1.4.37.1; From 1.6.1 · fixed in 1.6.1.5; From 1.7.1 · fixed in 1.7.1.1; From 1.8.6 · fixed in 1.8.6.5; From 1.8.14 · fixed in 1.8.14.1; From 1.9.2 · fixed in 1.9.2.4