How severe is CVE-2019-20343?

CVE-2019-20343 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20343?

CVE-2019-20343 affects Mojohaus Exec Maven. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20343?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-20343 published?

CVE-2019-20343 was published on 2020-01-06 and last updated on 2026-06-17.

CVE-2019-20343

CVE-2019-20343 is a critical-severity vulnerability in Mojohaus Exec Maven with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Mojohaus Exec Maven
Published: 2020-01-06
Last modified: 2026-06-17

Description

The MojoHaus Exec Maven plugin 1.1.1 for Maven allows code execution via a crafted XML document because a configuration element (within a plugin element) can specify an arbitrary program in an executable element (and can also specify arbitrary command-line arguments in an arguments element).

Frequently asked questions

What is CVE-2019-20343?: The MojoHaus Exec Maven plugin 1.1.1 for Maven allows code execution via a crafted XML document because a configuration element (within a plugin element) can specify an arbitrary program in an executable element (and can also specify arbitrary command-line arguments in an arguments element).
How severe is CVE-2019-20343?: CVE-2019-20343 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20343?: CVE-2019-20343 affects Mojohaus Exec Maven. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20343?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-20343 published?: CVE-2019-20343 was published on 2020-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mojohaus:exec_maven:1.1.1:*:*:*:*:maven:*:*

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