CVE-2019-17069

HIGHCVSS 7.5/10EPSS 2.25%

Last modified

CVE-2019-17069 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. PuTTY before 0.73 might allow remote SSH-1 servers to cause a denial of service by accessing freed memory locations via an SSH1_MSG_DISCONNECT message.. EPSS estimates a 2.25% chance of exploitation in the next 30 days.

Description

PuTTY before 0.73 might allow remote SSH-1 servers to cause a denial of service by accessing freed memory locations via an SSH1_MSG_DISCONNECT message.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
2.25%

80.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PuttyPutty< 0.73
OpensuseLeap15.0
OpensuseLeap15.1
NetappOncommand Unified Manager Core PackageAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-17069?
PuTTY before 0.73 might allow remote SSH-1 servers to cause a denial of service by accessing freed memory locations via an SSH1_MSG_DISCONNECT message.
How severe is CVE-2019-17069?
CVE-2019-17069 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.25% probability of exploitation in the next 30 days.
How do I fix CVE-2019-17069?
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.

Are you affected by CVE-2019-17069?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST