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No exploitation reportedFix available

CVE-2020-15586

No exploitation reported by the sources we read.

  • Published2020-07-17
  • Fixed in1.14.5 · 1.13.13
  • WeaknessCWE-362

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-07-1716:15CVE publishedNVD

Versions per branch

NVD · OSV
Go
BranchAffectedFixed in
1.14≥ 1.14.0, < 1.14.51.14.5
1.14≥ 1.14.0-0, < 1.14.51.14.5
1.13< 1.13.131.13.13
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published
Fedoraproject fedora
BranchAffectedFixed in
31.x= 31no fix published
32.x= 32no fix published

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • apbRed Hat:openshift:4.5::el7all versions · fixed in 0:2.0.3-3.el7and 2 other packages
  • atomic-enterprise-service-catalogRed Hat:openshift:4.5::el7all versions · fixed in 1:4.5.0-202010081312.p0.git.1808.498e523.el7and 1 other package
  • atomic-openshift-service-idlerRed Hat:openshift:4.5::el7all versions · fixed in 0:4.5.0-202010081312.p0.git.15.d7814b2.el7
  • buildahRed Hat:openshift:4.5::el8all versions · fixed in 0:1.11.6-9.rhaos4.5.el8and 4 other packages
  • containernetworking-pluginsRed Hat:openshift:4.5::el8all versions · fixed in 0:0.8.6-2.rhaos4.5.el8and 2 other packages
  • containernetworking-pluginsRed Hat:openshift:4.5::el7all versions · fixed in 0:0.8.6-2.rhaos4.5.el7and 1 other package
  • cri-oRed Hat:openshift:4.7::el8all versions · fixed in 0:1.20.2-12.rhaos4.7.git9f7be76.el8and 2 other packages
  • cri-oRed Hat:openshift:4.7::el7all versions · fixed in 0:1.20.2-12.rhaos4.7.git9f7be76.el7and 1 other package

87 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-15586 Red Hat Product Security664 products fixed · 169 known affected

    golang: data race in certain net/http servers including ReverseProxy can lead to DoS

    jaeger as a component of OpenShift Service Mesh 1 · jaeger-operator as a component of OpenShift Service Mesh 1 · jaeger-operator.src as a component of OpenShift Service Mesh 1 · +166 more

  • RHSA-2021:4103 Red Hat Product Security6 products fixed

    Red Hat Security Advisory: OpenShift Virtualization 4.9.0 RPMs security and bug fix update

  • RHSA-2021:2122 Red Hat Product Security22 products fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.7.13 packages and security update

  • RHSA-2021:1515 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: Openshift Logging Bug Fix Release (5.0.3)

  • RHSA-2021:1366 Red Hat Product Security7 products fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.7.9 packages and security update

  • RHSA-2021:1016 Red Hat Product Security63 products fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.5.37 security update

21 more advisories

Full record on NVD

Fix

  1. Update Go to 1.14.5 · 1.13.13
  2. Vendor fix Red Hat Product Security RHSA-2021:4103 · 6 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. Vendor fix Red Hat Product Security RHSA-2021:2122 · 22 productsFor OpenShift Container Platform 4.7 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.7/release_notes/ocp-4-7-r…
  4. Vendor fix Red Hat Product Security RHSA-2021:1515 · 3 productsFor OpenShift Container Platform 4.7 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this errata update: https://docs.openshift.com/container-platform/4.7/release_notes/ocp-4-7-release-notes.…
  5. Vendor fix Red Hat Product Security RHSA-2021:1016 · 63 productsFor OpenShift Container Platform 4.5 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.5/release_notes/ocp-4-5-r…
  6. Vendor fix Red Hat Product Security RHSA-2021:0956 · 10 productsFor OpenShift Container Platform 4.6 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.6/release_notes/ocp-4-6-r…
  7. Vendor fix Red Hat Product Security RHBA-2021:0101 · 8 productsRed Hat OpenShift Jaeger Release

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-07-17
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-9rmg-8r3f-xrq7

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.

Is CVE-2020-15586 actively exploited?

Active exploitation of CVE-2020-15586 has not been confirmed. Its EPSS score was 2.9% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-15586?

CVE-2020-15586 has a CVSS v3 base score of 5.9 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

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