What is CVE-2019-17561?

CVE-2019-17561 is a high-severity vulnerability in Apache Netbeans, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2020-03-30.

How severe is CVE-2019-17561?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apache Netbeans

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.

Published 2020-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.017 (76.7th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Apache Netbeans
Oracle Graalvm — versions 19.3.2, 20.1.0
Apache Netbeans — versions through 11.2

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

www.oracle.com/security-alerts/cpujul2020.html (Patch, Third Party Advisory)
lists.apache.org/thread.html/rb218aa720fc525f63d91761fbf67854f454ce7a697dbbee20… (Mailing List, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2019-17561?: CVE-2019-17561 is a high-severity vulnerability in Apache Netbeans, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2020-03-30.
How severe is CVE-2019-17561?: High severity. CVSS v3 base score is 7.5 out of 10.