Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2021-35515

When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result in an infinite loop. This could be used to mount a denial of service attack against services that use Compress' sevenz package.

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
Software From Fixed in
apache / commons_compress 1.6 1.20.x
oracle / flexcube_universal_banking 12.4.0 12.4.0.x
oracle / business_process_management_suite 12.2.1.3.0 12.2.1.3.0.x
oracle / peoplesoft_enterprise_peopletools 8.57 8.57.x
oracle / primavera_unifier 18.8 18.8.x
oracle / primavera_unifier 17.7 17.12.x
oracle / banking_digital_experience 19.1 19.1.x
oracle / flexcube_universal_banking 14.0.0 14.3.0.x
oracle / peoplesoft_enterprise_peopletools 8.58 8.58.x
oracle / primavera_unifier 19.12 19.12.x
oracle / banking_digital_experience 20.1 20.1.x
oracle / primavera_unifier 20.12 20.12.x
oracle / business_process_management_suite 12.2.1.4.0 12.2.1.4.0.x
oracle / communications_messaging_server 8.1 8.1.x
oracle / commerce_guided_search 11.3.2 11.3.2.x
oracle / peoplesoft_enterprise_peopletools 8.59 8.59.x
oracle / insurance_policy_administration 11.3.0 11.3.0.x
oracle / insurance_policy_administration 11.0.2 11.0.2.x
oracle / financial_services_enterprise_case_management 8.0.8.1.0 8.0.8.1.0.x
oracle / financial_services_enterprise_case_management 8.0.7.2.0 8.0.7.2.0.x
oracle / healthcare_data_repository 8.1.0 8.1.0.x
oracle / communications_session_route_manager 8.0.0 8.2.5.x
oracle / banking_party_management 2.7.0 2.7.0.x
oracle / utilities_testing_accelerator 6.0.0.2.2 6.0.0.2.2.x
oracle / utilities_testing_accelerator 6.0.0.3.1 6.0.0.3.1.x
oracle / utilities_testing_accelerator 6.0.0.1.1 6.0.0.1.1.x
oracle / banking_digital_experience 21.1 21.1.x
oracle / communications_cloud_native_core_unified_data_repository 1.14.0 1.14.0.x
oracle / communications_cloud_native_core_service_communication_proxy 1.14.0 1.14.0.x
oracle / communications_cloud_native_core_automated_test_suite 1.8.0 1.8.0.x
oracle / communications_billing_and_revenue_management 12.0.0.4 12.0.0.4.x
oracle / insurance_policy_administration 11.1.0 11.1.0.x
oracle / insurance_policy_administration 11.3.1 11.3.1.x
oracle / banking_enterprise_default_management 2.7.0 2.7.0.x
oracle / banking_digital_experience 18.1 18.3.x
oracle / insurance_policy_administration 11.2.8 11.2.8.x
oracle / banking_payments 14.5 14.5.x
oracle / banking_trade_finance 14.5 14.5.x
oracle / banking_treasury_management 14.5 14.5.x
oracle / flexcube_universal_banking 14.5.0 14.5.0.x
oracle / communications_diameter_intelligence_hub 8.0.0 8.2.3.x
oracle / financial_services_crime_and_compliance_management_studio 8.0.8.2.0 8.0.8.2.0.x
oracle / financial_services_crime_and_compliance_management_studio 8.0.8.3.0 8.0.8.3.0.x
Maven icon org.apache.commons / commons-compress - 1.21

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.