CVE-2019-20097

HIGHCVSS 8.8/10EPSS 2.48%

Last modified

CVE-2019-20097 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Bitbucket Server and Bitbucket Data Center versions starting from 1.0.0 before 5.16.11, from version 6.0.0 before 6.0.11, from version 6.1.0 before 6.1.9, from version 6.2.0 before 6.2.7, from version 6.3.0 before 6.3.6, from version 6.4.0 before 6.4.4, from version 6.5.0 before 6.5.3, from version 6.6.0 before 6.6.3, from version 6.7.0 before 6.7.3, from version 6.8.0 before 6.8.2, from version 6.9.0 before 6.9.1 had a Remote Code Execution vulnerability via the post-receive hook. A remote attacker with permission to clone and push files to a repository on the victim's Bitbucket Server or Bitbucket Data Center instance, can exploit this vulnerability to execute arbitrary commands on the Bitbucket Server or Bitbucket Data Center systems, using a file with specially crafted content.. EPSS estimates a 2.48% chance of exploitation in the next 30 days.

Description

Bitbucket Server and Bitbucket Data Center versions starting from 1.0.0 before 5.16.11, from version 6.0.0 before 6.0.11, from version 6.1.0 before 6.1.9, from version 6.2.0 before 6.2.7, from version 6.3.0 before 6.3.6, from version 6.4.0 before 6.4.4, from version 6.5.0 before 6.5.3, from version 6.6.0 before 6.6.3, from version 6.7.0 before 6.7.3, from version 6.8.0 before 6.8.2, from version 6.9.0 before 6.9.1 had a Remote Code Execution vulnerability via the post-receive hook. A remote attacker with permission to clone and push files to a repository on the victim's Bitbucket Server or Bitbucket Data Center instance, can exploit this vulnerability to execute arbitrary commands on the Bitbucket Server or Bitbucket Data Center systems, using a file with specially crafted content.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
2.48%

82.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AtlassianBitbucket>= 1.0.0, < 5.6.11
AtlassianBitbucket>= 6.0.0, < 6.0.11
AtlassianBitbucket>= 6.1.0, < 6.1.9
AtlassianBitbucket>= 6.2.0, < 6.2.7
AtlassianBitbucket>= 6.3.0, < 6.3.6
AtlassianBitbucket>= 6.4.0, < 6.4.4
AtlassianBitbucket>= 6.5.0, < 6.5.3
AtlassianBitbucket>= 6.6.0, < 6.6.3
AtlassianBitbucket>= 6.7.0, < 6.7.3
AtlassianBitbucket>= 6.8.0, < 6.8.2
AtlassianBitbucket>= 6.9.0, < 6.9.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-20097?
Bitbucket Server and Bitbucket Data Center versions starting from 1.0.0 before 5.16.11, from version 6.0.0 before 6.0.11, from version 6.1.0 before 6.1.9, from version 6.2.0 before 6.2.7, from version 6.3.0 before 6.3.6, from version 6.4.0 before 6.4.4, from version 6.5.0 before 6.5.3, from version 6.6.0 before 6.6.3, from version 6.7.0 before 6.7.3, from version 6.8.0 before 6.8.2, from version 6.9.0 before 6.9.1 had a Remote Code Execution vulnerability via the post-receive hook. A remote attacker with permission to clone and push files to a repository on the victim's Bitbucket Server or Bitbucket Data Center instance, can exploit this vulnerability to execute arbitrary commands on the Bitbucket Server or Bitbucket Data Center systems, using a file with specially crafted content.
How severe is CVE-2019-20097?
CVE-2019-20097 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.48% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20097?
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-2019-20097?

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

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Source: NVD / NIST