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Email Security Appliance CVE-2019-7488

CRITICAL
Credentials Management Errors (CWE-255)
2019-12-23 PSIRT@sonicwall.com
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V6 - Authentication Credentials management errors
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 1.9% exploitation probability (EPSS)

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AnalysisAI

Weak default password cause vulnerability in SonicWall Email Security appliance which leads to attacker gain access to appliance database. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-255. Weak default password cause vulnerability in SonicWall Email Security appliance which leads to attacker gain access to appliance database. This vulnerability affected Email Security Appliance version 10.0.2 and earlier. Affected products include: Sonicwall Email Security Appliance. Version information: version 10.0.2.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Weak default password cause vulnerability in SonicWall Email Security appliance which leads to attacker gain access to appliance database. This vulnerability affected Email Security Appliance version 10.0.2 and earlier.

Threat Intelligence Overview

EPSS Score
1.9%
Top 23% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 1.9%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:sonicwall:email_security_appliance:*:*:*:*:*:*:*:*
CVE-2014-2879 MEDIUM POC
4.3 Apr 17

Multiple cross-site scripting (XSS) vulnerabilities in Dell SonicWALL Email Security 7.4.5 and earlier allow remote auth

CVE-2022-20798 CRITICAL
9.8 Jun 15

A vulnerability in the external authentication functionality of Cisco Secure Email and Web Manager, formerly known as Ci

CVE-2019-7489 CRITICAL
9.8 Dec 23

A vulnerability in SonicWall Email Security appliance allow an unauthenticated user to perform remote code execution. Ra

CVE-2015-6321 HIGH
7.8 Nov 06

Cisco AsyncOS before 8.5.7-042, 9.x before 9.1.0-032, 9.1.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-042 on Em

CVE-2015-6291 HIGH
7.8 Nov 06

Cisco AsyncOS before 8.5.7-043, 9.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-046 on Email Security Appliance (

CVE-2016-1405 HIGH
7.5 Jun 08

libclamav in ClamAV (aka Clam AntiVirus), as used in Advanced Malware Protection (AMP) on Cisco Email Security Appliance

CVE-2016-6360 HIGH
7.5 Oct 28

A vulnerability in Advanced Malware Protection (AMP) for Cisco Email Security Appliances (ESA) and Web Security Applianc

CVE-2016-6358 HIGH
7.5 Oct 28

A vulnerability in local FTP to the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker

CVE-2022-20664 HIGH
7.7 Jun 15

A vulnerability in the web management interface of Cisco Secure Email and Web Manager, formerly Cisco Security Managemen

CVE-2016-6356 HIGH
7.5 Oct 28

A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances cou

CVE-2016-1486 HIGH
7.5 Oct 28

A vulnerability in the email attachment scanning functionality of the Advanced Malware Protection (AMP) feature of Cisco

CVE-2016-1481 HIGH
7.5 Oct 28

A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances cou

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