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CVE-2021-47721

Orangescrum broken access control

8.8 HIGHPublic exploitEPSS 0.46%
  1. Published23 Dec 2025

Description

Orangescrum 1.8.0 contains a privilege escalation vulnerability that allows authenticated users to take over other project-assigned accounts by manipulating session cookies. Attackers can extract the victim's unique ID from the page source and replace their own session cookie to gain unauthorized access to another user's account.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Orangescrum1.8.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2021-47721 being actively exploited?

CVE-2021-47721 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.46%.

How severe is CVE-2021-47721?

CVE-2021-47721 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.46% probability of exploitation.

Which products are affected by CVE-2021-47721?

Affected products include Orangescrum.

How do I fix CVE-2021-47721?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-47721 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.