Is CVE-2020-26176 in the CISA KEV catalog?

No. CVE-2020-26176 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-26176?

CVE-2020-26176 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2020-26176?

CVE-2020-26176 has an EPSS score of 0.74% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-26176?

Upgrade business workflow to 1.18.1 or later.

CVE & CISA-KEV Catalog

CVE-2020-26176

MEDIUM

4.3

CVSS v3

NVD

Description

An issue was discovered in tangro Business Workflow before 1.18.1. No (or broken) access control checks exist on the /api/document/<DocumentID>/attachments API endpoint. Knowing a document ID, an attacker can list all the attachments of a workitem, including their respective IDs. This allows the attacker to gather valid attachment IDs for workitems that do not belong to them.

CWE-922

How to fix

Remediation Available

business workflowNVD

Affected:< 1.18.1Fixed in:1.18.1CVE-2020-26176derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.74%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Exploit1

blog.to.com

Product1

tangro.de

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.