What is the CVSS score of CVE-2022-35258?

CVE-2022-35258 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 2.5%.

Connect Secure CVE-2022-35258

HIGH

Wrap-around Error (CWE-128)

2022-12-05 support@hackerone.com

Information Disclosure Ivanti Connect Secure Policy Secure Neurons For Zero Trust Access

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-128
Impact	CVSS score of 7.5 (HIGH). 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 high-severity affected system.

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

No patch listed yet 2.5% exploitation probability (EPSS)

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AnalysisAI

An unauthenticated attacker can cause a denial-of-service to the following products: Ivanti Connect Secure (ICS) in versions prior to 9.1R14.3, 9.1R15.2, 9.1R16.2, and 22.2R4, Ivanti Policy Secure. Rated high severity (CVSS 7.5), 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.

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Technical ContextAI · show details

This vulnerability is classified under CWE-128. An unauthenticated attacker can cause a denial-of-service to the following products: Ivanti Connect Secure (ICS) in versions prior to 9.1R14.3, 9.1R15.2, 9.1R16.2, and 22.2R4, Ivanti Policy Secure (IPS) in versions prior to 9.1R17 and 22.3R1, and Ivanti Neurons for Zero-Trust Access in versions prior to 22.3R1. Affected products include: Ivanti Connect Secure, Ivanti Neurons For Zero-Trust Access, Ivanti Policy Secure. Version information: prior to 9.1.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

None

Integrity

None

Availability

High

DescriptionNVD

An unauthenticated attacker can cause a denial-of-service to the following products: Ivanti Connect Secure (ICS) in versions prior to 9.1R14.3, 9.1R15.2, 9.1R16.2, and 22.2R4, Ivanti Policy Secure (IPS) in versions prior to 9.1R17 and 22.3R1, and Ivanti Neurons for Zero-Trust Access in versions prior to 22.3R1.

Threat Intelligence Overview

EPSS Score

2.5%

Top 17% 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 2.5%

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

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +3

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*

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:r1.0:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r11.0:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r11.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r11.4:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r11.5:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r12:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r12.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r12.2:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r13:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r13.1:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r14:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r15:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r16:*:*:*:*:*:*

cpe:2.3:a:ivanti:connect_secure:9.1:r16.1:*:*:*:*:*:*

+ 56 more

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References

Advisories & patches

REF https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA45520/?kA23Z000000GH5OSAW

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