CVE-2020-3811
Debian Security Advisory 4692-1
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
2
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.
qmail-verify como es usado en netqmail versión 1.06 es propenso a una vulnerabilidad de omisión de verificación de dirección de correo.
It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability to cause netqmail to crash or execute arbitrary code. It was discovered that netqmail did not properly handle certain input when validating email addresses. An attacker could use this to bypass email address validation. Various other issues were also addressed.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-12-17 CVE Reserved
- 2020-05-21 CVE Published
- 2020-05-21 First Exploit
- 2024-09-17 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-665: Improper Initialization
- CWE-863: Incorrect Authorization
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://bugs.debian.org/961060 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html | Mailing List |
|
| https://www.debian.org/security/2020/dsa-4692 | Third Party Advisory |
|
| URL | Date | SRC |
|---|---|---|
| https://packetstorm.news/files/id/157805 | 2020-05-21 | |
| https://www.openwall.com/lists/oss-security/2020/05/19/8 | 2024-09-17 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://usn.ubuntu.com/4556-1 | 2022-04-28 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netqmail Search vendor "Netqmail" | Netqmail Search vendor "Netqmail" for product "Netqmail" | 1.06 Search vendor "Netqmail" for product "Netqmail" and version "1.06" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04" | lts |
Affected
| ||||||