Description
XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| x-stream | xstream | < 1.4.14 |
References
- https://github.com/x-stream/xstream/commit/0fec095d534126931c99fd38e9c6d41f5c685c1aPatch, Third Party Advisory
- https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2Mitigation, Third Party Advisory
- https://lists.apache.org/thread.html/r2de526726e7f4db4a7cb91b7355070779f51a84fd985c6529c2f4e9e%40%3Cissues.activemq.apache.org%3EIssue Tracking, Mailing List
- https://lists.apache.org/thread.html/r7c9fc255edc0b9cd9567093d131f6d33fde4c662aaf912460ef630e9%40%3Ccommits.camel.apache.org%3EIssue Tracking, Mailing List
- https://lists.apache.org/thread.html/r826a006fda71cc96fc87b6eca4b5d195f19a292ad36cea501682c38c%40%3Cissues.activemq.apache.org%3EIssue Tracking, Mailing List
- https://lists.apache.org/thread.html/redde3609b89b2a4ff18b536a06ef9a77deb93d47fda8ed28086fa8c3%40%3Cissues.activemq.apache.org%3EIssue Tracking, Mailing List
- https://lists.debian.org/debian-lts-announce/2020/12/msg00001.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210409-0004/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4811Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlNot Applicable, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlNot Applicable, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
- https://x-stream.github.io/CVE-2020-26217.htmlExploit, Mitigation, Vendor Advisory
- https://github.com/x-stream/xstream/commit/0fec095d534126931c99fd38e9c6d41f5c685c1aPatch, Third Party Advisory
- https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2Mitigation, Third Party Advisory
- https://lists.apache.org/thread.html/r2de526726e7f4db4a7cb91b7355070779f51a84fd985c6529c2f4e9e%40%3Cissues.activemq.apache.org%3EIssue Tracking, Mailing List
- https://lists.apache.org/thread.html/r7c9fc255edc0b9cd9567093d131f6d33fde4c662aaf912460ef630e9%40%3Ccommits.camel.apache.org%3EIssue Tracking, Mailing List
- https://lists.apache.org/thread.html/r826a006fda71cc96fc87b6eca4b5d195f19a292ad36cea501682c38c%40%3Cissues.activemq.apache.org%3EIssue Tracking, Mailing List
- https://lists.apache.org/thread.html/redde3609b89b2a4ff18b536a06ef9a77deb93d47fda8ed28086fa8c3%40%3Cissues.activemq.apache.org%3EIssue Tracking, Mailing List
- https://lists.debian.org/debian-lts-announce/2020/12/msg00001.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210409-0004/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4811Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlNot Applicable, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlNot Applicable, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
- https://x-stream.github.io/CVE-2020-26217.htmlExploit, Mitigation, Vendor Advisory
Timeline
- Published
- Nov 16, 2020
- Last modified
- Oct 7, 2026
- NVD status
- Analyzed