7.5
HIGH
CVE-2020-3811
Netqmail qmail-verify RCE Bypass Vulnerability
Description

qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

INFO

Published Date :

May 26, 2020, 1:15 p.m.

Last Modified :

April 28, 2022, 7:30 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-3811 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 Canonical ubuntu_linux
1 Debian debian_linux
1 Netqmail netqmail
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-3811.

URL Resource
https://bugs.debian.org/961060 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html Mailing List Third Party Advisory
https://usn.ubuntu.com/4556-1/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4692 Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/05/19/8 Exploit Mailing List Patch Third Party Advisory

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).

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

The following list is the news that have been mention CVE-2020-3811 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-3811 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
  • Modified Analysis by [email protected]

    Apr. 28, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html Mailing List, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4556-1/ No Types Assigned https://usn.ubuntu.com/4556-1/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-20 CWE-665 CWE-863
  • CVE Modified by [email protected]

    Oct. 05, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4556-1/ [No Types Assigned]
  • CPE Deprecation Remap by [email protected]

    Aug. 18, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 04, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 29, 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:H/A:N
    Changed Reference Type https://bugs.debian.org/961060 No Types Assigned https://bugs.debian.org/961060 Issue Tracking, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4692 No Types Assigned https://www.debian.org/security/2020/dsa-4692 Third Party Advisory
    Changed Reference Type https://www.openwall.com/lists/oss-security/2020/05/19/8 No Types Assigned https://www.openwall.com/lists/oss-security/2020/05/19/8 Exploit, Mailing List, Patch, Third Party Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration OR *cpe:2.3:a:netqmail:netqmail:1.06:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 27, 2020

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2020/dsa-4692 [No Types Assigned]
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-2020-3811 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-2020-3811 weaknesses.

Exploit Prediction

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

0.15 }} -0.06%

score

0.52183

percentile

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