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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.88% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.3% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-07-17 15:38Z6 YR AGO
- Last updated
- 2024-08-04 13:22Z2 YR AGO
- Reserved
- 2020-07-07
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- Data version
- 5.1
- Document digest
- 2eb3bd78fae17464539e6172aba495a4cc129d5823d4c24bf80c7976afa26083
05 Affected products
06 References
- lists.opensuse.orgopenSUSE-SU-2020:1087http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.html
- lists.opensuse.orgopenSUSE-SU-2020:1095http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.html
- lists.fedoraproject.orgFEDORA-2020-d75360e2b0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OCR6LAKCVKL55KJQPPBBWVQGOP7RL2RW/
- lists.fedoraproject.orgFEDORA-2020-9cd1204ba0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WIRVUHD7TJIT7JJ33FKHIVTHPYABYPHR/
- lists.opensuse.orgopenSUSE-SU-2020:1405http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html
- lists.opensuse.orgopenSUSE-SU-2020:1407http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html
- lists.debian.org[debian-lts-announce] 20201121 [SECURITY] [DLA 2459-1] golang-1.7 security updatehttps://lists.debian.org/debian-lts-announce/2020/11/msg00037.html
- lists.debian.org[debian-lts-announce] 20201121 [SECURITY] [DLA 2460-1] golang-1.8 security updatehttps://lists.debian.org/debian-lts-announce/2020/11/msg00038.html
- www.debian.orgDSA-4848https://www.debian.org/security/2021/dsa-4848
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuApr2021.html
- groups.google.comhttps://groups.google.com/forum/#%21topic/golang-announce/XZNfaiwgt2w
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20200731-0005/
- groups.google.comhttps://groups.google.com/forum/#%21topic/golang-announce/f2c5bqrGH_g
- www.cloudfoundry.orghttps://www.cloudfoundry.org/blog/cve-2020-15586/
07 Fixed in
Debian 11
- golang-1.15 Fixed in 1.15~rc1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- golang-1.10 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- golang-1.10 No fix yet
- golang-1.6 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- golang-1.10 No fix yet
- golang-1.8 No fix yet
- golang-1.9 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- golang-1.13 No fix yet
- golang-1.14 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- golang-1.13 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- golang-1.13 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- golang-1.13 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.