Ivanti Connect Secure xml entity expansion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Ivanti Connect Secure, Policy Secure, ZTA Gateway and Neurons for Secure Access. It has been rated as problematic. The impacted element is an unknown function. Performing a manipulation results in xml entity expansion. This vulnerability is reported as CVE-2025-5466. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Ivanti Connect Secure, Policy Secure, ZTA Gateway and Neurons for Secure Access (version unknown). This affects an unknown function. The manipulation with an unknown input leads to a xml entity expansion vulnerability. CWE is classifying the issue as CWE-776. The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

XEE in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote authenticated attacker with admin privileges to trigger a denial of service

The advisory is shared at forums.ivanti.com. This vulnerability is uniquely identified as CVE-2025-5466 since 06/02/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are required for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.9
CNA Vector (ivanti): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Xml entity expansion
CWE: CWE-776
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/02/2025 CVE reserved
08/12/2025 +71 days Advisory disclosed
08/12/2025 +0 days VulDB entry created
08/12/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: forums.ivanti.com
Status: Confirmed

CVE: CVE-2025-5466 (🔒)
GCVE (CVE): GCVE-0-2025-5466
GCVE (VulDB): GCVE-100-319557

Entryinfo

Created: 08/12/2025 17:33
Changes: 08/12/2025 17:33 (61)
Complete: 🔍
Cache ID: 216::103

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