CVE-2019-25607
CVE-2019-25607 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2019-19955
- Weakness: CWE-787
- Published:
- Last modified:
Description
Axessh 4.2 contains a stack-based buffer overflow vulnerability in the log file name field that allows local attackers to execute arbitrary code by supplying an excessively long filename. Attackers can overflow the buffer at offset 214 bytes to overwrite the instruction pointer and execute shellcode with system privileges.
Frequently asked questions
- What is CVE-2019-25607?
- Axessh 4.2 contains a stack-based buffer overflow vulnerability in the log file name field that allows local attackers to execute arbitrary code by supplying an excessively long filename. Attackers can overflow the buffer at offset 214 bytes to overwrite the instruction pointer and execute shellcode with system privileges.
- How severe is CVE-2019-25607?
- CVE-2019-25607 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-25607 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2019-25607?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2019-25607 have an EU (EUVD) identifier?
- Yes. CVE-2019-25607 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19955.
- When was CVE-2019-25607 published?
- CVE-2019-25607 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.exploit-db.com/exploits/46922
- https://www.exploit-db.com/shellcodes/46281
- https://www.vulncheck.com/advisories/axessh-local-stack-based-buffer-overflow-via-log-file-name
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