What is CVE-2019-25590?

CVE-2019-25590 is a medium-severity vulnerability in Labf Axessh, classified under CWE-1282. CVSS score: 6.2/10. Published 2026-03-22.

How severe is CVE-2019-25590?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Labf Axessh

CVE-2019-25590

Axessh 4.2 contains a denial of service vulnerability in the logging configuration that allows local attackers to crash the application by supplying an excessively long string in the log file name field. Attackers can enable session logging, paste a buffer of 500 or more characters into the log file name parameter, and trigger a crash when establishing a telnet connection.

EPSS: 0.002 (6.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Labf Axessh — versions 4.2

Weakness classification (CWE)

CWE-1282

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2019-25590?: CVE-2019-25590 is a medium-severity vulnerability in Labf Axessh, classified under CWE-1282. CVSS score: 6.2/10. Published 2026-03-22.
How severe is CVE-2019-25590?: Medium severity. CVSS v3 base score is 6.2 out of 10.