VDB
CVE-2026-27686
CVE-2026-27686
PUBLISHED
CVSS 5.900000095367432 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 0.05% · 17.4th percentile
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
EPSS Score
0.05%
17.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Log4j | versions up to 1.2.17 |
| SAP_SE | SAP Business Warehouse (Service API) | DW4CORE 200, 300, 400 |
Exploit Intelligence
- CVE-2017-17485:Jackson-databind RCE (github-poc)
- CVE-2017-17485:Jackson-databind RCE (github-poc)
- CVE-2017-17485:Jackson-databind RCE (github-poc)
- CVE-2017-17485:Jackson-databind RCE (github-poc)
- CVE-2017-17485:Jackson-databind RCE (github-poc)
- cve-2017-17485 PoC (github-poc)
- cve-2017-17485 PoC (github-poc)
- cve-2017-17485 PoC (github-poc)
- cve-2017-17485 PoC (github-poc)
- cve-2017-17485 PoC (github-poc)
…and 311 more exploits
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://support.sap.com/en/my-support/knowledge-base/security-notes-news/march-2026.html advisory
- https://me.sap.com/notes/3703385 url
- https://url.sap/sapsecuritypatchday url
- https://nvd.nist.gov/vuln/detail/CVE-2026-27686 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