CVE-2019-25590
CVE-2019-25590 is a medium-severity vulnerability with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1282.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2019-19922
- Weakness: CWE-1282
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2019-25590?
- CVE-2019-25590 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2019-25590 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2019-25590?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2019-25590 have an EU (EUVD) identifier?
- Yes. CVE-2019-25590 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19922.
- When was CVE-2019-25590 published?
- CVE-2019-25590 was published on 2026-03-22 and last updated on 2026-06-17.
References
- http://www.labf.com
- http://www.labf.com/download/axessh.exe
- https://www.exploit-db.com/exploits/46858
- https://www.vulncheck.com/advisories/axessh-denial-of-service-via-log-file-name
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