CVE-2020-12243

HIGHScheduled

Published:Apr 28, 2020(6 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).

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	2.4.50	-
debian	debian_linux	-	-
debian	debian_linux	-

Timeline

Published
CVE disclosed publicly
Apr 28, 20206 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://lists.opensuse.org/opensuse-security-announce/2020-05/msg00016....Mailing List
https://bugs.openldap.org/show_bug.cgi?id=9202Exploit
https://git.openldap.org/openldap/openldap/-/blob/OPENLDAP_REL_ENG_2_4...Release Notes

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://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a1...Patch

https://lists.debian.org/debian-lts-announce/2020/05/msg00001.htmlMailing List

https://security.netapp.com/advisory/ntap-20200511-0003/Third Party Advisory

https://support.apple.com/kb/HT211289Third Party Advisory

https://usn.ubuntu.com/4352-1/Third Party Advisory

https://usn.ubuntu.com/4352-2/Third Party Advisory

https://www.debian.org/security/2020/dsa-4666Third Party Advisory

https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory

https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00016....Mailing List

https://bugs.openldap.org/show_bug.cgi?id=9202Exploit

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

https://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a1...Patch

https://lists.debian.org/debian-lts-announce/2020/05/msg00001.htmlMailing List

https://security.netapp.com/advisory/ntap-20200511-0003/Third Party Advisory

https://support.apple.com/kb/HT211289Third Party Advisory

https://usn.ubuntu.com/4352-1/Third Party Advisory

https://usn.ubuntu.com/4352-2/Third Party Advisory

https://www.debian.org/security/2020/dsa-4666Third Party Advisory

https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory

https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch

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-2020-12243

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description