Monthly
Authentication bypass in Zscaler Client Connector allows remote unauthenticated attackers to subvert the trust between the endpoint agent and the Zscaler Client Connector Portal, per the CVSS vector (AV:N/PR:N) yielding high confidentiality and integrity impact. The flaw (CWE-304) stems from a missing or incorrect step in the authentication logic governing agent-to-portal communications, affecting Windows, macOS, Linux, iOS, Android, and ChromeOS builds below the fixed versions. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, though its 9.1 base score and network-facing, no-privilege profile make it high priority.
Two-factor authentication bypass in phpMyFAQ before 4.1.7 allows any attacker holding valid first-factor credentials to obtain a remember-me cookie prior to 2FA challenge completion, then replay that cookie to achieve full authenticated access while entirely circumventing the second-factor control. Affected deployments relying on 2FA as their primary defense-in-depth layer against credential compromise are effectively left with single-factor authentication. No public exploit code or CISA KEV listing has been identified at time of analysis, though the bypass logic is straightforward and the vulnerability is trivially reproducible given valid credentials.
Unauthenticated full database disclosure in devpi-server affects instances configured in primary or master replication mode, allowing any network-reachable attacker to retrieve the complete database via a trivially modified GET request to the +changelog endpoint. Exposed data includes argon2 password hashes and devpi-tokens metadata (IDs and salts), enabling offline dictionary attacks against credentials and potential server-secret derivation if tokens are public. No public exploit code has been identified at time of analysis, and this vulnerability is not listed in CISA KEV; vendor-confirmed patches are available in devpi-server 6.20.2 and 7.0.0b3.
Authorization scope escalation in Apache CXF's OAuth2 Dynamic Client Registration endpoint allows any registering client to self-assign privileged scopes by supplying arbitrary `scope` values in the registration request, which the authorization server stores verbatim without validating against a server-defined allowlist. Affected versions span the 3.x, 4.1.x, and 4.2.x release lines; patched releases 3.6.12, 4.1.8, and 4.2.3 are available per the Apache advisory. No public exploit or active exploitation has been identified at time of analysis, but the straightforward exploitation path - crafting a single registration request - makes this a meaningful authorization bypass risk for any deployment exposing CXF's OAuth2 AS with Dynamic Client Registration enabled.
Privilege escalation in the Serendipity (s9y) PHP blogging platform before 2.6.1 lets an authenticated Editor take over an Administrator account by exploiting an authentication context confusion (CWE-304): password checking and session loading resolve the user independently rather than binding to a single record. By registering a username that collides with an Administrator's, the Editor logs in with their own password yet has the Administrator's account loaded into their session, inheriting full admin rights. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the CVSS 4.0 base score of 8.7 reflects high confidentiality, integrity, and availability impact.
Authentication bypass in Apache Tomcat (7.0.0-7.0.109, 8.5.0-8.5.100, 9.0.0.M1-9.0.100, 10.1.0-M1-10.1.36, 11.0.0-M1-11.0.4) lets remote attackers authenticate without supplying the correct password when the JNDIRealm is configured to validate credentials via GSSAPI bind. The flaw (CWE-304, Missing Critical Step in Authentication) means the realm accepts a bind as successful even when the password verification step is effectively skipped. There is no public exploit identified at time of analysis, EPSS risk is low (0.21%, 12th percentile), and it is not listed in CISA KEV.
Authentication bypass in Apache Kerby before 2.1.2 lets remote attackers defeat Kerberos pre-authentication by submitting a PA-DATA element with an unrecognized or unsupported type, causing the KDC to skip the pre-auth check rather than reject the request. The flaw affects all Apache Kerby deployments below 2.1.2 acting as a Kerberos KDC/AS, and is fixed in version 2.1.2. There is no public exploit identified at time of analysis, no CISA KEV listing, and EPSS data was not provided; CVSS is rated 7.3 (High) with partial confidentiality, integrity, and availability impact.
Authentication bypass in Termix (self-hosted SSH web management platform) before version 2.1.0 lets an attacker who knows only a victim's password bypass TOTP two-factor authentication. The /users/login endpoint issues a temporary JWT (temp_token) carrying a pendingTOTP state that should only unlock the second-factor step, but the auth middleware wrongly accepts this token on fully authenticated endpoints, collapsing 2FA into single-factor password authentication for every TOTP-enabled account. Publicly available exploit code exists (SSVC exploitation: poc), though EPSS probability is very low (0.01%, 1st percentile) and there is no evidence of active exploitation.
Apache HttpClient 5.6 skips mutual authentication verification in SCRAM-SHA-256 handshakes, allowing network attackers to impersonate legitimate servers without credentials. Affected clients accept unauthenticated server responses, enabling man-in-the-middle attacks that compromise confidentiality and integrity of authenticated sessions. Apache released patched version 5.6.1 addressing the missing authentication check. EPSS score of 0.03% suggests low current exploitation activity, though the network-accessible attack surface (AV:N/AC:L/PR:N) and availability of detailed vendor advisory increase exploitation risk once attackers adapt tooling for SCRAM protocol manipulation.
Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92 and 7.3 GA through update 35 allows a time-based one-time password (TOTP) to be used multiple times during the validity. Rated low severity (CVSS 2.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Authentication bypass in Zscaler Client Connector allows remote unauthenticated attackers to subvert the trust between the endpoint agent and the Zscaler Client Connector Portal, per the CVSS vector (AV:N/PR:N) yielding high confidentiality and integrity impact. The flaw (CWE-304) stems from a missing or incorrect step in the authentication logic governing agent-to-portal communications, affecting Windows, macOS, Linux, iOS, Android, and ChromeOS builds below the fixed versions. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, though its 9.1 base score and network-facing, no-privilege profile make it high priority.
Two-factor authentication bypass in phpMyFAQ before 4.1.7 allows any attacker holding valid first-factor credentials to obtain a remember-me cookie prior to 2FA challenge completion, then replay that cookie to achieve full authenticated access while entirely circumventing the second-factor control. Affected deployments relying on 2FA as their primary defense-in-depth layer against credential compromise are effectively left with single-factor authentication. No public exploit code or CISA KEV listing has been identified at time of analysis, though the bypass logic is straightforward and the vulnerability is trivially reproducible given valid credentials.
Unauthenticated full database disclosure in devpi-server affects instances configured in primary or master replication mode, allowing any network-reachable attacker to retrieve the complete database via a trivially modified GET request to the +changelog endpoint. Exposed data includes argon2 password hashes and devpi-tokens metadata (IDs and salts), enabling offline dictionary attacks against credentials and potential server-secret derivation if tokens are public. No public exploit code has been identified at time of analysis, and this vulnerability is not listed in CISA KEV; vendor-confirmed patches are available in devpi-server 6.20.2 and 7.0.0b3.
Authorization scope escalation in Apache CXF's OAuth2 Dynamic Client Registration endpoint allows any registering client to self-assign privileged scopes by supplying arbitrary `scope` values in the registration request, which the authorization server stores verbatim without validating against a server-defined allowlist. Affected versions span the 3.x, 4.1.x, and 4.2.x release lines; patched releases 3.6.12, 4.1.8, and 4.2.3 are available per the Apache advisory. No public exploit or active exploitation has been identified at time of analysis, but the straightforward exploitation path - crafting a single registration request - makes this a meaningful authorization bypass risk for any deployment exposing CXF's OAuth2 AS with Dynamic Client Registration enabled.
Privilege escalation in the Serendipity (s9y) PHP blogging platform before 2.6.1 lets an authenticated Editor take over an Administrator account by exploiting an authentication context confusion (CWE-304): password checking and session loading resolve the user independently rather than binding to a single record. By registering a username that collides with an Administrator's, the Editor logs in with their own password yet has the Administrator's account loaded into their session, inheriting full admin rights. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the CVSS 4.0 base score of 8.7 reflects high confidentiality, integrity, and availability impact.
Authentication bypass in Apache Tomcat (7.0.0-7.0.109, 8.5.0-8.5.100, 9.0.0.M1-9.0.100, 10.1.0-M1-10.1.36, 11.0.0-M1-11.0.4) lets remote attackers authenticate without supplying the correct password when the JNDIRealm is configured to validate credentials via GSSAPI bind. The flaw (CWE-304, Missing Critical Step in Authentication) means the realm accepts a bind as successful even when the password verification step is effectively skipped. There is no public exploit identified at time of analysis, EPSS risk is low (0.21%, 12th percentile), and it is not listed in CISA KEV.
Authentication bypass in Apache Kerby before 2.1.2 lets remote attackers defeat Kerberos pre-authentication by submitting a PA-DATA element with an unrecognized or unsupported type, causing the KDC to skip the pre-auth check rather than reject the request. The flaw affects all Apache Kerby deployments below 2.1.2 acting as a Kerberos KDC/AS, and is fixed in version 2.1.2. There is no public exploit identified at time of analysis, no CISA KEV listing, and EPSS data was not provided; CVSS is rated 7.3 (High) with partial confidentiality, integrity, and availability impact.
Authentication bypass in Termix (self-hosted SSH web management platform) before version 2.1.0 lets an attacker who knows only a victim's password bypass TOTP two-factor authentication. The /users/login endpoint issues a temporary JWT (temp_token) carrying a pendingTOTP state that should only unlock the second-factor step, but the auth middleware wrongly accepts this token on fully authenticated endpoints, collapsing 2FA into single-factor password authentication for every TOTP-enabled account. Publicly available exploit code exists (SSVC exploitation: poc), though EPSS probability is very low (0.01%, 1st percentile) and there is no evidence of active exploitation.
Apache HttpClient 5.6 skips mutual authentication verification in SCRAM-SHA-256 handshakes, allowing network attackers to impersonate legitimate servers without credentials. Affected clients accept unauthenticated server responses, enabling man-in-the-middle attacks that compromise confidentiality and integrity of authenticated sessions. Apache released patched version 5.6.1 addressing the missing authentication check. EPSS score of 0.03% suggests low current exploitation activity, though the network-accessible attack surface (AV:N/AC:L/PR:N) and availability of detailed vendor advisory increase exploitation risk once attackers adapt tooling for SCRAM protocol manipulation.
Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92 and 7.3 GA through update 35 allows a time-based one-time password (TOTP) to be used multiple times during the validity. Rated low severity (CVSS 2.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.