CVE-2020-15586
MEDIUMCVSS 5.9/10EPSS 2.89%
Last modified
CVE-2020-15586 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler, because it reads a request body and writes a response at the same time.. EPSS estimates a 2.89% chance of exploitation in the next 30 days.
Description
Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler, because it reads a request body and writes a response at the same time.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.13.13 |
| Golang | Go | >= 1.14.0, < 1.14.5 |
| Cloudfoundry | Cf-Deployment | < 13.7.0 |
| Cloudfoundry | Routing-Release | < 0.203.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
| Fedoraproject | Fedora | 31 |
| Fedoraproject | Fedora | 32 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00037.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00038.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200731-0005/Third Party Advisory
- https://www.cloudfoundry.org/blog/cve-2020-15586/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4848Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00037.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00038.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200731-0005/Third Party Advisory
- https://www.cloudfoundry.org/blog/cve-2020-15586/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4848Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15586?
Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler, because it reads a request body and writes a response at the same time.
How severe is CVE-2020-15586?
CVE-2020-15586 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 2.89% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15586?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-15586?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST