CVE-2018-19296 : PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injectio

Products affected by CVE-2018-19296

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 3.7 and up to, including, (<=) 5.7
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 34
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Matching versions
Phpmailer Project » Phpmailer
Versions before (<) 5.2.27
cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:*
Matching versions
Phpmailer Project » Phpmailer
Versions from including (>=) 6.0.0 and before (<) 6.0.6
cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:*
Matching versions

Top countries where our scanners detected CVE-2018-19296

Top open port discovered on systems with this issue 80

IPs affected by CVE-2018-19296 5,304

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-19296!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

EPSS FAQ

1.37%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 79 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Assigned by: nvd@nist.gov (Primary)
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Assigned by: nvd@nist.gov (Primary)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B/

[SECURITY] Fedora 33 Update: php-phpmailer6-6.4.1-1.fc33 - package-announce - Fedora Mailing-Lists
Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT/

[SECURITY] Fedora 34 Update: php-phpmailer6-6.4.1-1.fc34 - package-announce - Fedora Mailing-Lists
Third Party Advisory

CVEs referencing this url
https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27

Release PHPMailer 5.2.27 · PHPMailer/PHPMailer · GitHub
Release Notes;Vendor Advisory
https://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6

Release PHPMailer 6.0.6 · PHPMailer/PHPMailer · GitHub
Release Notes;Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00020.html

[SECURITY] [DLA 1591-2] libphp-phpmailer regression update
Mailing List;Third Party Advisory
https://www.debian.org/security/2018/dsa-4351

Debian -- Security Information -- DSA-4351-1 libphp-phpmailer
Third Party Advisory