What is the CVSS score of CVE-2020-15352?

CVE-2020-15352 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.2%.

Pulse Connect Secure CVE-2020-15352

HIGH

Improper Restriction of XML External Entity Reference (CWE-611)

2020-10-27 cve@mitre.org

SSRF XXE Ivanti Connect Secure Policy Secure Pulse Connect Secure Pulse Policy Secure Pulsesecure

7.2

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-611 OWASP Top 10:2025 A02:2025 - Security Misconfiguration ASVS 5.0 V13 - Configuration XML external entity prevention MITRE ATT&CK 2 techniques across 2 tactics: Initial Access, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could read arbitrary files or perform SSRF through XML processing by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 3.2% exploitation probability (EPSS)

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AnalysisAI

An XML external entity (XXE) vulnerability in Pulse Connect Secure (PCS) before 9.1R9 and Pulse Policy Secure (PPS) before 9.1R9 allows remote authenticated admins to conduct server-side request. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

Affects your stack

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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 as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. An XML external entity (XXE) vulnerability in Pulse Connect Secure (PCS) before 9.1R9 and Pulse Policy Secure (PPS) before 9.1R9 allows remote authenticated admins to conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request. Affected products include: Ivanti Connect Secure, Pulsesecure Pulse Connect Secure, Ivanti Policy Secure, Pulsesecure Pulse Policy Secure. Version information: before 9.1.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.2 HIGH

AV:N/AC:L/PR:H/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

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

An XML external entity (XXE) vulnerability in Pulse Connect Secure (PCS) before 9.1R9 and Pulse Policy Secure (PPS) before 9.1R9 allows remote authenticated admins to conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.

Threat Intelligence Overview

EPSS Score

3.2%

Top 14% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

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 HIGH

CISA KEV No

Public POC No

EPSS 3.2%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +3

CVSS: +36

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Server-Side Request Forgery HIGH

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

XML External Entity Injection HIGH

XML External Entity (XXE) attacks exploit XML parsers that process Document Type Definitions (DTDs) without proper restrictions.

Affected Products (CPE)NVD

cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:*

cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*

cpe:2.3:a:ivanti:policy_secure:9.1:r1:*:*:*:*:*:*

cpe:2.3:a:ivanti:policy_secure:9.1:r2:*:*:*:*:*:*

cpe:2.3:a:ivanti:policy_secure:9.1:r3:*:*:*:*:*:*

cpe:2.3:a:ivanti:policy_secure:9.1:r3.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:policy_secure:9.1:r4:*:*:*:*:*:*

+ 7 more

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Same weakness CWE-611 – Improper Restriction of XML External Entity Reference

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References

Advisories & patches

ADVISORY https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601

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GitHub PoC

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