Is CVE-2023-1786 in the CISA KEV catalog?

No. CVE-2023-1786 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-1786?

CVE-2023-1786 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2023-1786?

CVE-2023-1786 has an EPSS score of 0.26% (18th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-1786?

Upgrade cloud-init on debian 13 to 23.2-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2023-1786

MEDIUM

5.5

CVSS v3

NVD

Description

Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could use this information to find hashed passwords and possibly escalate their privilege.

CWE-532

How to fix

Remediation Available

cloud-initDebian

Fixed in:23.2-1CVE-2023-1786

cloud-initRocky

Fixed in:0:23.1.1-10.el8RHSA-2023:6943

Fixed in:0:23.1.1-11.el9RHSA-2023:6371

cloud-initRed Hat / RHEL

Fixed in:0:23.1.1-10.el8RHSA-2023:6943

Fixed in:0:23.1.1-11.el9RHSA-2023:6371

cloud-initUbuntu

Fixed in:21.1-19-gbad84ad4-0ubuntu1~16.04.4USN-6042-1

Fixed in:23.1.2-0ubuntu0~18.04.1USN-6042-1

Fixed in:23.1.2-0ubuntu0~20.04.1USN-6042-1

Fixed in:23.1.2-0ubuntu0~22.04.1USN-6042-1

Fixed in:23.1.2-0ubuntu0~22.10.1USN-6042-1

Fixed in:23.1.2-0ubuntu0~23.04.1USN-6042-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.26%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Issue Tracking1

bugs.launchpad.net

Related Vulnerabilities

Other CWE-532 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-1622	Medium	5.3	79%	-	-
CVE-2020-35234	High	7.5	63%	-	Fix
CVE-2023-43261	High	7.5	60%	-	Fix
CVE-2024-20440	High	7.5	51%	-	-
CVE-2018-3609	High	8.1	22%	-	-
CVE-2018-8719	Medium	5.3	16%	-	-

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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.