{"url":"http://public2.vulnerablecode.io/api/packages/859503?format=json","purl":"pkg:maven/org.apache.logging.log4j/log4j-core@2.23.1","type":"maven","namespace":"org.apache.logging.log4j","name":"log4j-core","version":"2.23.1","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"2.25.3","latest_non_vulnerable_version":"2.25.4","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/24009?format=json","vulnerability_id":"VCID-gcyx-fdns-k3bt","summary":"Apache Log4j does not verify the TLS hostname in its Socket Appender\nThe Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the  [verifyHostName](https://logging.apache.org/log4j/2.x/manual/appenders/network.html#SslConfiguration-attr-verifyHostName)  configuration attribute or the  [log4j2.sslVerifyHostName](https://logging.apache.org/log4j/2.x/manual/systemproperties.html#log4j2.sslVerifyHostName) system property is set to true.\n\nThis issue may allow a man-in-the-middle attacker to intercept or redirect log traffic under the following conditions:\n\n*  The attacker is able to intercept or redirect network traffic between the client and the log receiver.\n*  The attacker can present a server certificate issued by a certification authority trusted by the Socket Appender’s configured trust store (or by the default Java trust store if no custom trust store is configured).\n\n\nUsers are advised to upgrade to Apache Log4j Core version 2.25.3, which addresses this issue.\n\nAs an alternative mitigation, the Socket Appender may be configured to use a private or restricted trust root to limit the set of trusted certificates.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-68161.json","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-68161.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-68161","reference_id":"","reference_type":"","scores":[{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07198","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07185","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07215","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07206","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07234","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00034","scoring_system":"epss","scoring_elements":"0.09926","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00034","scoring_system":"epss","scoring_elements":"0.09889","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00034","scoring_system":"epss","scoring_elements":"0.0992","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00034","scoring_system":"epss","scoring_elements":"0.09897","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00034","scoring_system":"epss","scoring_elements":"0.09795","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00034","scoring_system":"epss","scoring_elements":"0.09867","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00034","scoring_system":"epss","scoring_elements":"0.09847","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00034","scoring_system":"epss","scoring_elements":"0.09873","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00037","scoring_system":"epss","scoring_elements":"0.10799","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00037","scoring_system":"epss","scoring_elements":"0.10785","published_at":"2026-04-16T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-68161"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-68161","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-68161"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/apache/logging-log4j2","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/logging-log4j2"},{"reference_url":"https://github.com/apache/logging-log4j2/commit/3b93748497e1adbbd027fda8a5e7268ec5d0d578","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/logging-log4j2/commit/3b93748497e1adbbd027fda8a5e7268ec5d0d578"},{"reference_url":"https://github.com/apache/logging-log4j2/pull/4002","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-18T21:34:24Z/"}],"url":"https://github.com/apache/logging-log4j2/pull/4002"},{"reference_url":"https://lists.apache.org/thread/xr33kyxq3sl67lwb61ggvm1fzc8k7dvx","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-18T21:34:24Z/"}],"url":"https://lists.apache.org/thread/xr33kyxq3sl67lwb61ggvm1fzc8k7dvx"},{"reference_url":"https://logging.apache.org/cyclonedx/vdr.xml","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-18T21:34:24Z/"}],"url":"https://logging.apache.org/cyclonedx/vdr.xml"},{"reference_url":"https://logging.apache.org/log4j/2.x/manual/appenders/network.html#SslConfiguration-attr-verifyHostName","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-18T21:34:24Z/"}],"url":"https://logging.apache.org/log4j/2.x/manual/appenders/network.html#SslConfiguration-attr-verifyHostName"},{"reference_url":"https://logging.apache.org/log4j/2.x/manual/systemproperties.html#log4j2.sslVerifyHostName","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-18T21:34:24Z/"}],"url":"https://logging.apache.org/log4j/2.x/manual/systemproperties.html#log4j2.sslVerifyHostName"},{"reference_url":"https://logging.apache.org/security.html#CVE-2025-68161","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-18T21:34:24Z/"}],"url":"https://logging.apache.org/security.html#CVE-2025-68161"},{"reference_url":"http://www.openwall.com/lists/oss-security/2025/12/18/1","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2025/12/18/1"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1123744","reference_id":"1123744","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1123744"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2423705","reference_id":"2423705","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2423705"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:*","reference_id":"cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68161","reference_id":"CVE-2025-68161","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68161"},{"reference_url":"https://github.com/advisories/GHSA-vc5p-v9hr-52mj","reference_id":"GHSA-vc5p-v9hr-52mj","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-vc5p-v9hr-52mj"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/67066?format=json","purl":"pkg:maven/org.apache.logging.log4j/log4j-core@2.25.3","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.logging.log4j/log4j-core@2.25.3"}],"aliases":["CVE-2025-68161","GHSA-vc5p-v9hr-52mj"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-gcyx-fdns-k3bt"}],"fixing_vulnerabilities":[],"risk_score":"3.1","resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.logging.log4j/log4j-core@2.23.1"}