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Vulnerability record · CVE-2019-17561 · published 30 March 2020

CVE-2019-17561: Apache netbeans improper verification of cryptographic signature vulnerability

Apache · Netbeans

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.

7.5 CVSS 3.1 High EPSS 1.7% · top 24.1% CWE-347 · Improper verification of cryptographic signature
7.5CVSS 3.1 base score, v2 5.0
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

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

References

LinkTags
https://lists.apache.org/thread.html/rb218aa720fc525f63d91761fbf67854f454ce7a697dbbee2001ae8b1%40%3Cdev.netbeans.apache. Mailing ListMitigationVendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.html PatchThird Party Advisory
https://lists.apache.org/thread.html/rb218aa720fc525f63d91761fbf67854f454ce7a697dbbee2001ae8b1%40%3Cdev.netbeans.apache. Mailing ListMitigationVendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.html PatchThird Party Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2019-17561), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.