CVEvulnerability
CVE-2021-27335
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-02-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-502
Description
KollectApps before 4.8.16c is affected by insecure Java deserialization, leading to Remote Code Execution via a ysoserial.payloads.CommonsCollections parameter.
Affected configurations
• kollectapp kollect (< 4.8.16c)
Related
Weakness · CWE (1)
- CWE-502 Deserialization of Untrusted Data weakness
References
- https://hacked0x90.net/index.php/2021/02/15/kollectapp-insecure-java-deserialization/ Exploit, Third Party Advisory
- https://hacked0x90.net/index.php/2021/02/15/kollectapp-insecure-java-deserialization/ Exploit, Third Party Advisory