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CVE-2020-36233

HIGH
7.8
CVSS Score
Published: February 18, 2021 at 03:16 PM UTC
Updated: June 17, 2026 at 03:15 AM UTC
3 products affected across 1 vendorBitbucketBitbucket ServerBitbucket Data Center· also runs on 1 platform

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%

Description

The Microsoft Windows Installer for Atlassian Bitbucket Server and Data Center before version 6.10.9, 7.x before 7.6.4, and from version 7.7.0 before 7.10.1 allows local attackers to escalate privileges because of weak permissions on the installation directory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Bitbucket· Atlassianatlassian-app
95%
v < 6.10.97.0.0 ≤ v < 7.6.47.7.0 ≤ v < 7.10.1
Affected range stops below 6.10.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.10.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.6.4, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)
Bitbucket Data Center· Atlassianatlassian-app
60%
v ≥ 7.0.0v ≥ 7.7.0v < 6.10.9v < 7.10.1v < 7.6.47.0.07.7.0
Affected range stops below 6.10.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.10.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.6.4, so it looks safe — our inference, not a vendor statement
Bitbucket Server· Atlassianatlassian-app
60%
v ≥ 7.0.0v ≥ 7.7.0v < 6.10.9v < 7.10.1v < 7.6.47.0.07.7.0
Affected range stops below 6.10.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.10.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.6.4, so it looks safe — our inference, not a vendor statement

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://jira.atlassian.com/browse/BSERV-12753
Third Party Advisoryx_refsource_CERT-VNUS Government Resource
Source: [email protected]
https://www.kb.cert.org/vuls/id/240785

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-276

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