VDB
CVE-2026-27687
CVE-2026-27687
PUBLISHED
CVSS 5.800000190734863 MEDIUM
Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. This affects Log4j versions up to 1.2 up to 1.2.17.
EPSS 0.04% · 12.0th percentile
Risk Scores
CVSS v3.1
5.800000190734863
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS Score
0.04%
12.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| SAP_SE | SAP S/4HANA HCM Portugal and SAP ERP HCM Portugal | 608, 101, 102 |
| Apache Software Foundation | Log4j | versions up to 1.2.17 |
Timeline
- Jun 28, 2021 PoC Published
- Dec 10, 2021 PoC Published
- Dec 11, 2021 PoC Published
- Dec 13, 2021 PoC Published
- Jun 7, 2022 PoC Published
- Sep 16, 2022 PoC Published
- Nov 21, 2023 PoC Published
- Dec 8, 2023 PoC Published
- Dec 11, 2023 PoC Published
- Mar 1, 2024 PoC Published
- Apr 5, 2024 PoC Published
- Jul 17, 2024 PoC Published
References
- https://me.sap.com/notes/3701020 url
- https://url.sap/sapsecuritypatchday url
- https://support.sap.com/en/my-support/knowledge-base/security-notes-news/march-2026.html advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-27687 advisory
- [activemq-issues] 20191226 [jira] [Created] (AMQ-7370) log4j 1.2 version used by AMQ 5.15.10 / 5.15.11 is vulnerable to CVE-2019-17571 mailing-list
- [tika-dev] 20191226 [jira] [Created] (TIKA-3018) log4j 1.2 version used by Apache Tika 1.23 is vulnerable to CVE-2019-17571 mailing-list
- [tika-dev] 20191226 [jira] [Commented] (TIKA-3018) log4j 1.2 version used by Apache Tika 1.23 is vulnerable to CVE-2019-17571 mailing-list
- [tika-dev] 20191230 [jira] [Created] (TIKA-3019) [9.8] [CVE-2019-17571] [tika-app] [1.23] mailing-list
- [activemq-issues] 20191230 [jira] [Created] (AMQ-7372) [9.8] [CVE-2019-17571] [activemq-all] [5.15.10] mailing-list
- [kafka-jira] 20200105 [jira] [Created] (KAFKA-9366) please consider upgrade log4j to log4j2 due to critical security problem CVE-2019-17571 mailing-list
- [kafka-jira] 20200105 [jira] [Updated] (KAFKA-9366) please consider upgrade log4j to log4j2 due to critical security problem CVE-2019-17571 mailing-list
- [kafka-dev] 20200105 [jira] [Created] (KAFKA-9366) please consider upgrade log4j to log4j2 due to critical security problem CVE-2019-17571 mailing-list
- [kafka-jira] 20200106 [jira] [Commented] (KAFKA-9366) please consider upgrade log4j to log4j2 due to critical security problem CVE-2019-17571 mailing-list
- [kafka-jira] 20200106 [jira] [Assigned] (KAFKA-9366) please consider upgrade log4j to log4j2 due to critical security problem CVE-2019-17571 mailing-list
- [tika-dev] 20200106 [jira] [Commented] (TIKA-3019) [9.8] [CVE-2019-17571] [tika-app] [1.23] mailing-list
- [kafka-jira] 20200107 [jira] [Updated] (KAFKA-9366) please consider upgrade log4j to log4j2 due to critical security problem CVE-2019-17571 mailing-list
- [zookeeper-issues] 20200107 [jira] [Created] (ZOOKEEPER-3677) owasp checker failing for - CVE-2019-17571 Apache Log4j 1.2 deserialization of untrusted data in SocketServer mailing-list
- [zookeeper-dev] 20200107 [jira] [Created] (ZOOKEEPER-3677) owasp checker failing for - CVE-2019-17571 Apache Log4j 1.2 deserialization of untrusted data in SocketServer mailing-list
- [zookeeper-issues] 20200107 [jira] [Commented] (ZOOKEEPER-3677) owasp checker failing for - CVE-2019-17571 Apache Log4j 1.2 deserialization of untrusted data in SocketServer mailing-list
- [tika-dev] 20200107 [jira] [Commented] (TIKA-3019) [9.8] [CVE-2019-17571] [tika-app] [1.23] mailing-list
…and 97 more