HOMEVULNERABILITIESCVE-2019-25590
MEDIUM

CVE-2019-25590

CWE-1282Published: March 22, 2026· Updated: Mar 23, 2026

6.2
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.5th

Official Description

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.

NVD Source

Technical Analysis

CVE-2019-25590 requires local access, meaning attackers must already have a foothold on the target system.

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 complete confidentiality breach (data exposure), with a CVSS base score of 6.2.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (4)

Quick Facts

CVE IDCVE-2019-25590
CVSS Score6.2 / 10
SeverityMEDIUM
WeaknessCWE-1282
CISA KEVNo
EPSS (30d)0.01%
PublishedMar 22, 2026

Related CVEs (CWE-1282)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-25590 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.