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CVE-2020-1596

MEDIUMCVSS 5.4/10EPSS 0.90%

Last modified

CVE-2020-1596 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. <p>A information disclosure vulnerability exists when TLS components use weak hash algorithms. An attacker who successfully exploited this vulnerability could obtain information to further compromise a users's encrypted transmission channel.</p> <p>To exploit the vulnerability, an attacker would have to conduct a man-in-the-middle attack.</p> <p>The update addresses the vulnerability by correcting how TLS components use hash algorithms.</p>. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

<p>A information disclosure vulnerability exists when TLS components use weak hash algorithms. An attacker who successfully exploited this vulnerability could obtain information to further compromise a users's encrypted transmission channel.</p> <p>To exploit the vulnerability, an attacker would have to conduct a man-in-the-middle attack.</p> <p>The update addresses the vulnerability by correcting how TLS components use hash algorithms.</p>

Metrics

CVSS 3.1
5.4/10

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

EPSS Probability
0.90%

55.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 10All versions—
MicrosoftWindows 101607—
MicrosoftWindows 101709—
MicrosoftWindows 101803—
MicrosoftWindows 101809—
MicrosoftWindows 101903—
MicrosoftWindows 101909—
MicrosoftWindows 102004—
MicrosoftWindows 7All versionsSp1
MicrosoftWindows 8.1All versions—
MicrosoftWindows Rt 8.1All versions—
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows Server 2012All versions—
MicrosoftWindows Server 2012r2—
MicrosoftWindows Server 2016All versions—
MicrosoftWindows Server 20161903—
MicrosoftWindows Server 20161909—
MicrosoftWindows Server 20162004—
MicrosoftWindows Server 2019All versions—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-1596?
<p>A information disclosure vulnerability exists when TLS components use weak hash algorithms. An attacker who successfully exploited this vulnerability could obtain information to further compromise a users's encrypted transmission channel.</p> <p>To exploit the vulnerability, an attacker would have to conduct a man-in-the-middle attack.</p> <p>The update addresses the vulnerability by correcting how TLS components use hash algorithms.</p>
How severe is CVE-2020-1596?
CVE-2020-1596 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.
How do I fix CVE-2020-1596?
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-2020-1596?

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

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Source: NVD / NIST