HCL Leap up to 9.3.3 Header no cache cache containing sensitive information

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 (≈)
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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.
2.9$0-$5k0.00

Summaryinfo

A vulnerability was found in HCL Leap up to 9.3.3 and classified as problematic. Impacted is an unknown function of the component Header Handler. Such manipulation of the argument no cache leads to use of cache containing sensitive information. This vulnerability is uniquely identified as CVE-2023-37516. Local access is required to approach this attack. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in HCL Leap up to 9.3.3 and classified as problematic. Affected by this issue is an unknown code of the component Header Handler. The manipulation of the argument no cache with an unknown input leads to a use of cache containing sensitive information vulnerability. Using CWE to declare the problem leads to CWE-524. The code uses a cache that contains sensitive information, but the cache can be read by an actor outside of the intended control sphere. Impacted is confidentiality. CVE summarizes:

Missing "no cache" headers in HCL Leap permits user directory information to be cached.

The advisory is shared for download at support.hcl-software.com. This vulnerability is handled as CVE-2023-37516 since 07/06/2023. The exploitation is known to be easy. The attack needs to be approached locally. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 9.3.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.0
VulDB Meta Temp Score: 2.9

VulDB Base Score: 2.8
VulDB Temp Score: 2.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.2
CNA Vector (HCL): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use of cache containing sensitive information
CWE: CWE-524
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: 🔍

Upgrade: Leap 9.3.4

Timelineinfo

07/06/2023 🔍
04/25/2025 +659 days 🔍
04/25/2025 +0 days 🔍
10/29/2025 +187 days 🔍

Sourcesinfo

Advisory: KB0119900
Status: Confirmed

CVE: CVE-2023-37516 (🔍)
GCVE (CVE): GCVE-0-2023-37516
GCVE (VulDB): GCVE-100-306212

Entryinfo

Created: 04/25/2025 06:53
Updated: 10/29/2025 17:16
Changes: 04/25/2025 06:53 (65), 04/25/2025 07:42 (4), 10/29/2025 17:16 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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