Is CVE-2017-20027 in the CISA KEV catalog?

No. CVE-2017-20027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-20027?

CVE-2017-20027 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2017-20027?

CVE-2017-20027 has an EPSS score of 0.61% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-20027?

Upgrade humhub to 1.1.1 or later.

CVE & CISA-KEV Catalog

CVE-2017-20027

MEDIUM

4.3

CVSS v3

NVD

Description

A vulnerability was found in HumHub up to 1.0.1 and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to cross site scripting (DOM). The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.1.1 is able to address this issue. It is recommended to upgrade the affected component.

CWE-80 CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

humhubNVD

Affected:< 1.1.1Fixed in:1.1.1CVE-2017-20027derived 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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.61%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-80 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-21145	Medium	4.8	78%	-	-
CVE-2020-13562	Medium	6.1	78%	-	-
CVE-2020-13965	Medium	6.1	77%	KEV	Fix
CVE-2020-13564	Medium	6.1	76%	-	-
CVE-2020-13563	Medium	6.1	76%	-	-
CVE-2024-4439	High	7.2	71%	-	Fix

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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.