CVE-2019-20105

MEDIUM

4.9

CVSS Score

Published: March 17, 2020 at 02:40 AM UTC

Updated: June 17, 2026 at 02:29 AM UTC

2 products affected across 1 vendorApplication LinksJira Data Center

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Severity

MEDIUM4.9

Exploit prediction

EPSS 1%

Description

The EditApplinkServlet resource in the Atlassian Application Links plugin before version 5.4.20, from version 6.0.0 before version 6.0.12, from version 6.1.0 before version 6.1.2, from version 7.0.0 before version 7.0.1, and from version 7.1.0 before version 7.1.3 allows remote attackers who have obtained access to administrator's session to access the EditApplinkServlet resource without needing to re-authenticate to pass "WebSudo" in products that support "WebSudo" through an improper access control vulnerability.

Affected

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

Application Links · Atlassianatlassian-app

95%

v ≥ 6.0.0v ≥ 7.0.0v ≥ 7.1.0v ≤ 5.4.20v < 5.4.20v < 6.0.12v < 7.0.1v < 7.1.36.0.0 ≤ v ≤ 6.0.126.1.0 ≤ v < 6.1.27.1.0 ≤ v < 7.1.36.0.0 7.0.0 7.1.0

Affected range stops below 5.4.20, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.0.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.1.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.1.3, so it looks safe — our inference, not a vendor statement

Jira Data Center · Atlassianatlassian-app

60%

v ≥ 7.13.8v ≥ 8.4.2v ≥ 8.6.0v < 7.13.12v < 8.5.4v < 8.6.17.13.8 8.4.2 8.6.0

Affected range stops below 7.13.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.5.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.6.1, so it looks safe — our inference, not a vendor statement

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_MISCVendor Advisory

Source: [email protected]

https://ecosystem.atlassian.net/browse/APL-1391

x_refsource_MISCVendor Advisory

Source: [email protected]

https://jira.atlassian.com/browse/JRASERVER-70526

CVSS

4.9MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-306

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