Is CVE-2018-7749 in the CISA KEV catalog?

No. CVE-2018-7749 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-7749?

CVE-2018-7749 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-7749?

CVE-2018-7749 has an EPSS score of 1.78% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-7749?

Upgrade python-asyncssh on debian 11 to 1.12.1-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-7749

CRITICALEPSS 76th pctl

9.8

CVSS v3

NVD

Description

The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.

CWE-287Improper Authentication

How to fix

Remediation Available

python-asyncsshDebian

Fixed in:1.12.1-1CVE-2018-7749

python-asyncsshUbuntu

Fixed in:1.11.1-1ubuntu0.1~esm1USN-4854-1

python3-asyncsshUbuntu

Fixed in:1.11.1-1ubuntu0.1~esm1USN-4854-1

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

AvailabilityHigh

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

Exploit Intelligence

1.78%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Third-Party Advisory1

github.com

Other references1

groups.google.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	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.