Is CVE-2019-25478 actively exploited?

No active exploitation of CVE-2019-25478 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-25478 be exploited remotely?

Yes. CVE-2019-25478 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-25478?

CVE-2019-25478 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2019-25478

CWE-787Published: March 11, 2026· Updated: Mar 12, 2026

7.5

CVSS v3.1

EPSS:0.09%probability of exploitation in 30 daysPercentile:25.3th

Official Description

GetGo Download Manager 6.2.2.3300 contains a buffer overflow vulnerability that allows remote attackers to cause denial of service by sending HTTP responses with excessively long headers. Attackers can craft malicious HTTP responses with oversized header values to crash the application and make it unavailable.

NVD Source

Technical Analysis

CVE-2019-25478 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.