How severe is CVE-2019-17561?

CVE-2019-17561 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-17561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17561?

CVE-2019-17561 primarily affects Apache Netbeans. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-17561?

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

When was CVE-2019-17561 published?

CVE-2019-17561 was published on 2020-03-30 and last updated on 2026-06-17.

CVE-2019-17561

CVE-2019-17561 is a high-severity vulnerability in Apache Netbeans with a CVSS 3.x base score of 7.5. 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-347.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Apache Netbeans
Published: 2020-03-30
Last modified: 2026-06-17

Description

The "Apache NetBeans" autoupdate system does not fully validate code signatures. An attacker could modify the downloaded nbm and include additional code. "Apache NetBeans" versions up to and including 11.2 are affected by this vulnerability.

Frequently asked questions

What is CVE-2019-17561?: The "Apache NetBeans" autoupdate system does not fully validate code signatures. An attacker could modify the downloaded nbm and include additional code. "Apache NetBeans" versions up to and including 11.2 are affected by this vulnerability.
How severe is CVE-2019-17561?: CVE-2019-17561 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-17561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17561?: CVE-2019-17561 primarily affects Apache Netbeans. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-17561?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-17561 published?: CVE-2019-17561 was published on 2020-03-30 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:apache:netbeans:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:graalvm:19.3.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm:20.1.0:*:*:*:enterprise:*:*:*

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