5.3
MEDIUM
CVE-2020-14039
Apache Go Tls Certificate Verification Eku Vulnerability
Description

In Go before 1.13.13 and 1.14.x before 1.14.5, Certificate.Verify may lack a check on the VerifyOptions.KeyUsages EKU requirements (if VerifyOptions.Roots equals nil and the installation is on Windows). Thus, X.509 certificate verification is incomplete.

INFO

Published Date :

July 17, 2020, 4:15 p.m.

Last Modified :

Nov. 7, 2023, 3:17 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-14039 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-14039 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Opensuse leap
1 Golang go
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Dockerfile

Updated: 1 month, 1 week ago
0 stars 0 fork 0 watcher
Born at : Oct. 15, 2024, 2:12 p.m. This repo has been linked 49 different CVEs too.

None

Dockerfile

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Oct. 31, 2023, 7:09 p.m. This repo has been linked 49 different CVEs too.

None

Dockerfile

Updated: 7 months ago
0 stars 1 fork 1 watcher
Born at : March 27, 2023, 3:07 p.m. This repo has been linked 49 different CVEs too.

Container image with malware and crypto miner for testing purposes

container crypto cryptominer dockerfile eicar image malware test xmrig

Dockerfile

Updated: 2 months, 2 weeks ago
40 stars 20 fork 20 watcher
Born at : Nov. 4, 2022, 9:16 a.m. This repo has been linked 49 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-14039 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-14039 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://groups.google.com/forum/#%21forum/golang-announce [No types assigned]
    Added Reference MITRE https://groups.google.com/forum/#%21topic/golang-announce/XZNfaiwgt2w [No types assigned]
    Removed Reference MITRE https://groups.google.com/forum/#!topic/golang-announce/XZNfaiwgt2w
    Removed Reference MITRE https://groups.google.com/forum/#!forum/golang-announce
  • Modified Analysis by [email protected]

    Feb. 03, 2023

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20200731-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20200731-0005/ Third Party Advisory
    Changed Reference Type https://www.oracle.com/security-alerts/cpuApr2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 14, 2021

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuApr2021.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 11, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 11, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 31, 2020

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20200731-0005/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 27, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 26, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 24, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://groups.google.com/forum/#!forum/golang-announce No Types Assigned https://groups.google.com/forum/#!forum/golang-announce Release Notes, Third Party Advisory
    Changed Reference Type https://groups.google.com/forum/#!topic/golang-announce/XZNfaiwgt2w No Types Assigned https://groups.google.com/forum/#!topic/golang-announce/XZNfaiwgt2w Third Party Advisory
    Added CWE NIST CWE-295
    Added CPE Configuration OR *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions up to (excluding) 1.13.13 *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions from (including) 1.14.0 up to (excluding) 1.14.5
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-14039 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-14039 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.35 }} 0.10%

score

0.72393

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability