CVE-2020-12835

Name: CVE-2020-12835
Creator: NVD / NIST
Published: 2020-05-20T13:15:09.77+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 11.70%

Last modified Jun 17, 2026

CVE-2020-12835 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 11.70% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

11.70%

95.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Smartbear	Readyapi	3.2.5

References

http://packetstormsecurity.com/files/157772/Protection-Licensing-Toolkit-ReadyAPI-3.2.5-Code-Execution-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/May/38Exploit, Mailing List, Third Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-039.txtExploit, Third 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.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/May/38Exploit, Mailing List, Third Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-039.txtExploit, Third Party Advisory
https://www.syss.de/pentest-blog/Third Party Advisory

Timeline

Published: May 20, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12835?

How severe is CVE-2020-12835?

CVE-2020-12835 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 11.70% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12835?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12835?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST