Ivanti Connect Secure/Policy Secure up to 22.7R2.0 null pointer dereference

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Ivanti Connect Secure and Policy Secure up to 22.7R2.0. This affects an unknown part. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2024-8495. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Ivanti Connect Secure and Policy Secure up to 22.7R2.0. This issue affects an unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

A null pointer dereference in Ivanti Connect Secure before version 22.7R2.1 and Ivanti Policy Secure before version 22.7R1.1 allows a remote unauthenticated attacker to cause a denial of service.

The advisory is shared at forums.ivanti.com. The identification of this vulnerability is CVE-2024-8495 since 09/05/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211467 (Ivanti Policy Secure 22.7R1.2 (Build 1485) Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 22.7R2.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211467). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (ivanti): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 211467
Nessus Name: Ivanti Policy Secure 22.7R1.2 (Build 1485) Multiple Vulnerabilities

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Connect Secure/Policy Secure 22.7R2.1

Timelineinfo

09/05/2024 🔍
11/12/2024 +68 days 🔍
11/12/2024 +0 days 🔍
01/18/2025 +67 days 🔍

Sourcesinfo

Advisory: forums.ivanti.com
Status: Confirmed

CVE: CVE-2024-8495 (🔍)
GCVE (CVE): GCVE-0-2024-8495
GCVE (VulDB): GCVE-100-284033

Entryinfo

Created: 11/12/2024 17:29
Updated: 01/18/2025 04:36
Changes: 11/12/2024 17:29 (63), 11/16/2024 03:31 (2), 01/18/2025 04:36 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!