CVE-2020-36222

HIGHEPSS 100th pctl

7.5

CVSS v3

Description

A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo validation, resulting in denial of service.

CWE-617

How to fix

Remediation Available

openldapDebian

Fixed in:2.4.57+dfsg-1CVE-2020-36222

openldapUbuntu

Fixed in:2.4.31-1+nmu2ubuntu8.5+esm7USN-7698-1

Fixed in:2.4.42+dfsg-2ubuntu3.12USN-4724-1

Fixed in:2.4.45+dfsg-1ubuntu1.9USN-4724-1

Fixed in:2.4.49+dfsg-2ubuntu1.6USN-4724-1

slapdUbuntu

Fixed in:2.4.31-1+nmu2ubuntu8.5+esm7USN-7698-1

Fixed in:2.4.42+dfsg-2ubuntu3.12USN-4724-1

Fixed in:2.4.45+dfsg-1ubuntu1.9USN-4724-1

Fixed in:2.4.49+dfsg-2ubuntu1.6USN-4724-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

77.74%probability of exploitation in 30 days

100thpercentile

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

References

Patch2

Vendor Advisory3

Third-Party Advisory9

Other references3

Related Vulnerabilities

Other CWE-617 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-8617	High	7.5	93%	-	Fix
CVE-2006-5779	High	7.5	76%	-	Fix
CVE-2021-27212	High	7.5	64%	-	Fix
CVE-2018-5740	High	7.5	60%	-	Fix
CVE-2023-28425	Medium	5.5	55%	-	Fix
CVE-2016-8864	High	7.5	39%	-	Fix

Common questions

How do I fix CVE-2020-36222?

Published advisories record a fix for 3 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2020-36222 being actively exploited?

Not that we know of. CVE-2020-36222 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 77.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 100% of all scored CVEs.

How severe is CVE-2020-36222?

CVE-2020-36222 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2020-36222 affect?

Published advisories record a fix for openldap (Debian), openldap (Ubuntu), slapd (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.