PHPMailer up to 6.4.x on Windows UNC Pathname privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in PHPMailer up to 6.4.x on Windows. This affects an unknown part of the component UNC Pathname Handler. This manipulation causes an unknown weakness. This vulnerability is tracked as CVE-2021-34551. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in PHPMailer up to 6.4.x on Windows. Affected by this vulnerability is an unknown functionality of the component UNC Pathname Handler. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 06/17/2021. The advisory is shared at github.com. This vulnerability is known as CVE-2021-34551. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.5.0 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHPMailer 6.5.0

Timelineinfo

06/10/2021 🔍
06/17/2021 +7 days 🔍
06/17/2021 +0 days 🔍
06/21/2021 +4 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-34551 (🔍)
GCVE (CVE): GCVE-0-2021-34551
GCVE (VulDB): GCVE-100-177157

Entryinfo

Created: 06/17/2021 08:01
Updated: 06/21/2021 08:41
Changes: 06/17/2021 08:01 (36), 06/21/2021 08:41 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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