What is the CVSS score of CVE-2023-41720?

CVE-2023-41720 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Connect Secure CVE-2023-41720

HIGH

2023-12-14 support@hackerone.com

Privilege Escalation Ivanti Connect Secure

7.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required.
Exploit ScenarioDerived	Successful exploitation could compromise the high-severity affected system.

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

No patch listed yet 0.7% exploitation probability (EPSS)

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AnalysisAI

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker with a foothold on an Ivanti Connect Secure (ICS) appliance can escalate their privileges by exploiting. Rated high severity (CVSS 7.8), this vulnerability is 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

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker with a foothold on an Ivanti Connect Secure (ICS) appliance can escalate their privileges by exploiting a vulnerable installed application. This vulnerability allows the attacker to gain elevated execution privileges on the affected system. Affected products include: Ivanti Connect Secure.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker with a foothold on an Ivanti Connect Secure (ICS) appliance can escalate their privileges by exploiting a vulnerable installed application. This vulnerability allows the attacker to gain elevated execution privileges on the affected system.

Threat Intelligence Overview

EPSS Score

0.7%

Top 51% exploitable

Data Quality

2 sources

Confidence: Low

Ivanti

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 0.7%

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

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +39

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)NVD

cpe:2.3:a:ivanti:connect_secure:22.1:r1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.1:r6:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.2:-:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.2:r1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.3:r1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.4:r1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.4:r2.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.4:r2.2:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.5:r1.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.5:r2.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.6:-:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:22.6:r1:*:*:*:*:*:*

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References

Advisories & patches

REF https://forums.ivanti.com/s/article/Security-patch-release-Ivanti-Connect-Secure-22-6R2-and-22-6R2-1?language=en_US

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