CVE-2021-42698
HIGH
Published Nov 5, 20214y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
Published Nov 5, 2021 4y ago
Last Modified Jun 17, 2026 2w ago
Description
Project files are stored memory objects in the form of binary serialized data that can later be read and deserialized again to instantiate the original objects in memory. Malicious manipulation of these files may allow an attacker to corrupt memory.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
No active exploitation signals — not in CISA KEV and no EPSS score yet.
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-502 Deserialization of Untrusted Data Validation
Affected Products 2
References 1
- us-cert.cisa.gov https://us-cert.cisa.gov/ics/advisories/icsa-21-308-02
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.