CVE-2020-36223

HIGHScheduled

Published:Jan 26, 2021(5 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read).

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
openldap	openldap	2.4.57	-
debian	debian_linux	-	-
debian	debian_linux	-

Timeline

Published
CVE disclosed publicly
Jan 26, 20215 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://seclists.org/fulldisclosure/2021/May/64Mailing List
http://seclists.org/fulldisclosure/2021/May/65Mailing List
http://seclists.org/fulldisclosure/2021/May/70Mailing List

CVSS Score

v3.1

7.5/ 10.0

HIGH

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

At a Glance

Affected Products

References

openldap / openldap

https://bugs.openldap.org/show_bug.cgi?id=9408Issue Tracking

https://git.openldap.org/openldap/openldap/-/commit/21981053a1195ae155...Patch

https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4...Release Notes

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b8...

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c279...

https://lists.debian.org/debian-lts-announce/2021/02/msg00005.htmlMailing List

https://security.netapp.com/advisory/ntap-20210226-0002/Third Party Advisory

https://support.apple.com/kb/HT212529Third Party Advisory

https://support.apple.com/kb/HT212530Third Party Advisory

https://support.apple.com/kb/HT212531Third Party Advisory

https://www.debian.org/security/2021/dsa-4845Third Party Advisory

http://seclists.org/fulldisclosure/2021/May/64Mailing List

http://seclists.org/fulldisclosure/2021/May/65Mailing List

http://seclists.org/fulldisclosure/2021/May/70Mailing List

https://bugs.openldap.org/show_bug.cgi?id=9408Issue Tracking

https://git.openldap.org/openldap/openldap/-/commit/21981053a1195ae155...Patch

https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4...Release Notes

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b8...

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c279...

https://lists.debian.org/debian-lts-announce/2021/02/msg00005.htmlMailing List

https://security.netapp.com/advisory/ntap-20210226-0002/Third Party Advisory

https://support.apple.com/kb/HT212529Third Party Advisory

https://support.apple.com/kb/HT212530Third Party Advisory

https://support.apple.com/kb/HT212531Third Party Advisory

https://www.debian.org/security/2021/dsa-4845Third Party Advisory

CVSS v3 Vector

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

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityNone

IntegrityNone

AvailabilityHigh

Impact Analysis

ConfidentialityNone

NoneLowHigh

IntegrityNone

NoneLowHigh

AvailabilityHigh

NoneLowHigh

CVE-2020-36223

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description