CVE-2019-9897
UnknownEPSS 3.02%
Last modified
CVE-2019-9897 is a vulnerability of currently unknown severity. Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.. EPSS estimates a 3.02% chance of exploitation in the next 30 days.
Description
Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Putty | Putty | < 0.71 |
| Fedoraproject | Fedora | 28 |
| Fedoraproject | Fedora | 29 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Netapp | Oncommand Unified Manager | All versions |
| Opensuse | Leap | 15.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00023.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Apr/6Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190404-0001/Patch, Third Party Advisory
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.htmlThird Party Advisory
- https://www.debian.org/security/2019/dsa-4423Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00023.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Apr/6Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190404-0001/Patch, Third Party Advisory
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.htmlThird Party Advisory
- https://www.debian.org/security/2019/dsa-4423Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-9897?
Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.
How severe is CVE-2019-9897?
Severity scoring for CVE-2019-9897 is pending analysis. The EPSS model estimates a 3.02% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9897?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-9897?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST