CVE-2021-27335

KollectApps before 4.8.16c is affected by insecure Java deserialization, leading to Remote Code Execution via a ysoserial.payloads.CommonsCollections parameter.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 82%
VendorProductVersion
kollectappkollect
𝑥
< 4.8.16c
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://hacked0x90.net/index.php/2021/02/15/kollectapp-insecure-java-deserialization/
https://hacked0x90.net/index.php/2021/02/15/kollectapp-insecure-java-deserialization/