← Vulnerability feed

Vulnerability record · CVE-2020-12835 · published 20 May 2020

CVE-2020-12835: Smartbear readyapi deserialization of untrusted data vulnerability

Smartbear · Readyapi

An issue was discovered in SmartBear ReadyAPI SoapUI Pro 3.2.5. Due to unsafe use of an Java RMI based protocol in an unsafe configuration, an attacker can inject malicious serialized objects into the communication, resulting in remote code execution in the context of a client-side Network Licensing Protocol component.

9.8 CVSS 3.1 Critical EPSS 13% · top 3.8% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score, v2 7.5
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in SmartBear ReadyAPI SoapUI Pro 3.2.5. Due to unsafe use of an Java RMI based protocol in an unsafe configuration, an attacker can inject malicious serialized objects into the communication, resulting in remote code execution in the context of a client-side Network Licensing Protocol component.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/157772/Protection-Licensing-Toolkit-ReadyAPI-3.2.5-Code-Execution-Deserialization.h ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/May/38 ExploitMailing ListThird Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-039.txt ExploitThird Party Advisory
https://www.syss.de/pentest-blog/ Third Party Advisory
http://packetstormsecurity.com/files/157772/Protection-Licensing-Toolkit-ReadyAPI-3.2.5-Code-Execution-Deserialization.h ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/May/38 ExploitMailing ListThird Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-039.txt ExploitThird Party Advisory
https://www.syss.de/pentest-blog/ Third Party Advisory

Track CVE-2020-12835 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2018-20580Smartbear readyapi improper input validation vulnerabilityThe WSDL import functionality in SmartBear ReadyAPI 2.5.0 and 2.6.0 allows remote attackers to execute arbitrary Java code via a crafted request para…EPSS 9.8%7.8CVE-2019-12180Smartbear readyapi vulnerabilityAn issue was discovered in SmartBear ReadyAPI through 2.8.2 and 3.0.0 and SoapUI through 5.5. When opening a project, the Groovy "Load Script" is aut…EPSS 4.8%9.8CVE-2021-23758Ajax.NET Professional ajaxpro.2 untrusted deserialization RCEAll versions of the ajaxpro.2 package (Ajax.NET Professional) deserialize untrusted data and permit deserialization of arbitrary .NET classes. That l…KEVEPSS 83%analysed9.8CVE-2026-63077JetBrains TeamCity unauthenticated RCE via agent polling deserializationJetBrains TeamCity before 2026.1.3 and 2025.11.7 deserializes untrusted data received through the agent polling protocol, allowing unauthenticated re…KEVEPSS 9.8%analysed9.8CVE-2026-50522Microsoft SharePoint deserialization flaw allows remote code executionMicrosoft SharePoint Server deserializes untrusted data, letting an unauthorized attacker run code over the network. The flaw is remotely reachable w…KEVEPSS 3.0%analysed9.8CVE-2026-58644Microsoft SharePoint deserialization flaw allows remote code executionMicrosoft SharePoint Server deserializes untrusted data, letting an unauthenticated network attacker execute code. The flaw is rated CVSS 9.8 critica…KEVEPSS 16%analysed8.8CVE-2026-45659Microsoft SharePoint Server deserialization flaw enables remote code executionMicrosoft SharePoint Server deserializes untrusted data, letting an authenticated attacker run code over the network. The flaw is remotely reachable,…KEVEPSS 2.7%analysed9.3CVE-2026-12569PTC Windchill PDMlink and FlexPLM deserialization RCEPTC Windchill PDMlink and FlexPLM contain a deserialization of untrusted data flaw (also classified as improper input validation) that allows remote …KEVEPSS 46%analysed

Source: NIST National Vulnerability Database (record CVE-2020-12835), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.