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CVE-2020-11997

MEDIUMCVSS 4.3/10EPSS 1.24%

Last modified

CVE-2020-11997 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Apache Guacamole 1.2.0 and earlier do not consistently restrict access to connection history based on user visibility. If multiple users share access to the same connection, those users may be able to see which other users have accessed that connection, as well as the IP addresses from which that connection was accessed, even if those users do not otherwise have permission to see other users.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

Apache Guacamole 1.2.0 and earlier do not consistently restrict access to connection history based on user visibility. If multiple users share access to the same connection, those users may be able to see which other users have accessed that connection, as well as the IP addresses from which that connection was accessed, even if those users do not otherwise have permission to see other users.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
1.24%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheGuacamole<= 1.2.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-11997?
Apache Guacamole 1.2.0 and earlier do not consistently restrict access to connection history based on user visibility. If multiple users share access to the same connection, those users may be able to see which other users have accessed that connection, as well as the IP addresses from which that connection was accessed, even if those users do not otherwise have permission to see other users.
How severe is CVE-2020-11997?
CVE-2020-11997 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11997?
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-2020-11997?

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

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Source: NVD / NIST