Is CVE-2018-10933 in the CISA KEV catalog?

No. CVE-2018-10933 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-10933?

CVE-2018-10933 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2018-10933?

CVE-2018-10933 has an EPSS score of 91.79% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-10933?

Upgrade libssh on debian 11 to 0.8.4-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-10933

CRITICALEPSS 100th pctl

9.1

CVSS v3

NVD

Description

A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access.

CWE-592 CWE-287Improper Authentication

How to fix

Remediation Available

libsshDebian

Fixed in:0.8.4-1CVE-2018-10933

libsshUbuntu

Fixed in:0.6.1-0ubuntu3.4USN-3795-1

Fixed in:0.6.3-4.3ubuntu0.1USN-3795-1

Fixed in:0.8.0~20170825.94fa1e38-1ubuntu0.1USN-3795-1

libssh-4Ubuntu

Fixed in:0.6.1-0ubuntu3.4USN-3795-1

Fixed in:0.6.3-4.3ubuntu0.1USN-3795-1

Fixed in:0.8.0~20170825.94fa1e38-1ubuntu0.1USN-3795-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploit Intelligence

91.79%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Patch1

oracle.com

Exploit1

exploit-db.com

Vendor Advisory1

libssh.org

Third-Party Advisory8

Related Vulnerabilities

Other CWE-592 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-8371	High	7.3	11%	-	-
CVE-2018-14643	Critical	9.8	6.0%	-	-
CVE-2016-8616	Low	3.7	3.5%	-	Fix
CVE-2014-5432	Critical	9.8	2.6%	-	-
CVE-2018-1085	Critical	9.0	2.2%	-	Fix
CVE-2017-2684	Critical	9.0	2.0%	-	-

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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.