CVE-2021-35515
7.5 · HIGHOverview
CVE-2021-35515 is a high-severity vulnerability affecting apache commons_compress. It was published on July 13, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from apache. Update commons_compress to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | commons_compress | 1.6 | Affected |
| oracle | banking_digital_experience | 18.1 | Affected |
| oracle | communications_diameter_intelligence_hub | 8.0.0 | Affected |
| oracle | communications_session_route_manager | 8.0.0 | Affected |
| oracle | flexcube_universal_banking | 14.0.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-35515?
CVE-2021-35515 is a high-severity vulnerability affecting apache commons_compress. It was published on July 13, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-35515?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-35515?
Check the references section for vendor advisories and patches from apache. Update commons_compress to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-35515?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-35515 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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