CVE-2018-20580: The WSDL import functionality in SmartBear ReadyAPI 2.5.0 and 2.6.0 allows remote attackers to execute arbitra

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HIGH 8.8DOWNGRADE

CVE-2018-20580 is a high-severity flaw (CVSS 8.8) affecting readyapi. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The 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 parameter in a WSDL file.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	9.8% (top 4%)
CISA exploited list	No
Weakness	CWE-20
Published	2019-05-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: smartbear

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-05-03 20:29 UTCPublished CVE record published
2026-06-17 01:53 UTCUpdated Record last modified

smartbear readyapi DOWNGRADE

Affected: 2.5.0 · 2.6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5.0

1. Check installed version

apt-cache policy readyapi || rpm -q readyapi || readyapi --version

2. No fixed release: DOWNGRADE to a release before 2.5.0 (Debian / Ubuntu)

apt-cache madison readyapi sudo apt install readyapi=<VERSION_BEFORE_2.5.0> sudo apt-mark hold readyapi

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list readyapi sudo dnf downgrade readyapi-<VERSION_BEFORE_2.5.0> sudo dnf versionlock add readyapi

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: ReadyAPI 2.5.0 / 2.6.0 - Remote Code Execution

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-20580?

readyapi: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-20580 being exploited?

CVE-2018-20580 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-20580 affect?

CVE-2018-20580 affects readyapi. Severity is high (CVSS 8.8). The 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 parameter in a WSDL file.

How urgent is CVE-2018-20580?

Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2020-12835 CRITICAL 9.8 DOWNGRADE An issue was discovered in SmartBear ReadyAPI SoapUI Pro 3.2.5
CVE-2019-12180 HIGH 7.8 UPGRADE UPGRADE An issue was discovered in SmartBear ReadyAPI through 2.8.2 and 3.0.0 and SoapUI through 5.5

References

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