What is CVE-2019-9898?

CVE-2019-9898 is a critical-severity software vulnerability (CWE-330) with a CVSS score of 9.8. Potential recycling of random numbers used in cryptography exists within PuTTY before 0.71.

Is CVE-2019-9898 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 4%.

What products does CVE-2019-9898 affect?

Tracked products affected include Fedora. Check the version you run to see whether it is affected.

How do I fix CVE-2019-9898?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

← All products

CVE-2019-9898

CRITICAL severity · CVSS 9.8 · CWE-330

9.8CVSS CRITICAL

Summary

Potential recycling of random numbers used in cryptography exists within PuTTY before 0.71.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)4%

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Fedora

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.htmlAdvisory
http://www.securityfocus.com/bid/107523Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00023.htmlAdvisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/
https://seclists.org/bugtraq/2019/Apr/6Advisory
https://security.netapp.com/advisory/ntap-20190329-0002/