Is CVE-2018-12541 in the CISA KEV catalog?

No. CVE-2018-12541 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-12541?

CVE-2018-12541 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-12541?

CVE-2018-12541 has an EPSS score of 2.65% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-12541?

Upgrade vert.x to 3.5.4 or later.

CVE & CISA-KEV Catalog

CVE-2018-12541

MEDIUMEPSS 84th pctl

6.5

CVSS v3

NVD

Description

In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There should be a reasonnable limit (8192 bytes) above which the WebSocket gets an HTTP response with the 413 status code and the connection gets closed.

CWE-789 CWE-119Buffer Overflow

How to fix

Remediation Available

vert.xNVD

Affected:>= 3.0.0, < 3.5.4Fixed in:3.5.4CVE-2018-12541derived 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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.65%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Vendor Advisory1

bugs.eclipse.org

Third-Party Advisory2

Other references13

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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.