What’s Vulnerable › Vulnerabilities

CVE-2021-27568

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-23 · updated 2026-10-08
• Weakness: CWE-754

Description

An issue was discovered in netplex json-smart-v1 through 2015-10-23 and json-smart-v2 through 2.4. An exception is thrown from a function, but it is not caught, as demonstrated by NumberFormatException. When it is not caught, it may cause programs using the library to crash or expose sensitive information.

Affected products

• Json-Smart Project Json-Smart-V1: before 1.3.2 — fixed in 1.3.2
• Json-Smart Project Json-Smart-V2: before 2.3.1; from 2.4 before 2.4.1 — fixed in 2.3.1, 2.4.1
• Oracle Communications Cloud Native Core Policy: 1.14.0
• Oracle Corporation OSS Support Tools: before 2.12.42 — fixed in 2.12.42
• Oracle Corporation PeopleSoft Enterprise PT PeopleTools: 8.58, 8.59
• Oracle Corporation Utilities Framework: 4.4.0.0.0, 4.4.0.2.0, 4.4.0.3.0
• Oracle WebLogic Server: 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0

How to fix

Upgrade to a fixed version: Json-Smart Project Json-Smart-V1 1.3.2; Json-Smart Project Json-Smart-V2 2.3.1, 2.4.1; Oracle Corporation OSS Support Tools 2.12.42. Check the vendor advisory for mitigations.

References

• https://github.com/netplex/json-smart-v1/issues/7
• https://github.com/netplex/json-smart-v2/issues/60
• https://lists.apache.org/thread.html/rb6287f5aa628c8d9af52b5401ec6cc51b6fc28ab20d318943453e396%40%3Ccommits.druid.apache.org%3E
• https://lists.apache.org/thread.html/re237267da268c690df5e1c6ea6a38a7fc11617725e8049490f58a6fa%40%3Ccommits.druid.apache.org%3E
• https://lists.apache.org/thread.html/rf70210b4d63191c0bfb2a0d5745e104484e71703bf5ad9cb01c980c6%40%3Ccommits.druid.apache.org%3E
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://www.oracle.com/security-alerts/cpujan2022.html
• https://github.com/netplex/json-smart-v1/issues/7
• https://github.com/netplex/json-smart-v2/issues/60
• https://lists.apache.org/thread.html/rb6287f5aa628c8d9af52b5401ec6cc51b6fc28ab20d318943453e396%40%3Ccommits.druid.apache.org%3E
• https://lists.apache.org/thread.html/re237267da268c690df5e1c6ea6a38a7fc11617725e8049490f58a6fa%40%3Ccommits.druid.apache.org%3E

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