CVE-2020-12243
HIGH
7.5
CVSS Score
Published: April 28, 2020 at 06:07 PM UTC
Updated: October 14, 2026 at 10:17 AM UTC
18 products affected across 8 vendorsmacOSDebian LinuxUbuntu Linux· also runs on 8 platforms
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Severity
HIGH7.5
Exploit prediction
EPSS 5%
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).
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
10.13.0 ≤ v < 10.13.610.14.0 ≤ v < 10.14.610.15 ≤ v < 10.15.610.13.610.13.6 security_update_2018-00210.13.6 security_update_2018-00310.13.6 security_update_2019-00110.13.6 security_update_2019-00210.13.6 security_update_2019-00310.13.6 security_update_2019-00410.13.6 security_update_2019-00510.13.6 security_update_2019-00610.13.6 security_update_2019-00710.13.6 security_update_2020-00110.13.6 security_update_2020-00210.13.6 security_update_2020-00310.13.6 supplemental_update10.14.610.14.6 security_update_2019-00110.14.6 security_update_2019-00210.14.6 security_update_2019-00410.14.6 security_update_2019-00510.14.6 security_update_2019-00610.14.6 security_update_2019-00710.14.6 security_update_2020-00110.14.6 security_update_2020-00210.14.6 security_update_2020-00310.14.6 security_update_2020-00410.14.6 security_update_2020-00510.14.6 security_update_2020-00610.14.6 security_update_2020-00710.14.6 security_update_2021-00110.14.6 security_update_2021-00210.14.6 security_update_2021-00310.14.6 supplemental_update10.14.6 supplemental_update_2
Affected range stops below 10.13.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.14.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.15.6, so it looks safe — our inference, not a vendor statement
All versions
Debian Linux· Debiandrupal
95%Cloud Backup· NetAppdrupal
95%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00016.html
- https://bugs.openldap.org/show_bug.cgi?id=9202
- https://git.openldap.org/openldap/openldap/-/blob/OPENLDAP_REL_ENG_2_4/CHANGES
- https://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a11b52e294ba5dd4f0380440
- https://usn.ubuntu.com/4352-1/
References (13)
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00016.htmlx_refsource_MISCExploitPatchVendor Advisory
Source: [email protected]
https://bugs.openldap.org/show_bug.cgi?id=9202x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
https://git.openldap.org/openldap/openldap/-/blob/OPENLDAP_REL_ENG_2_4/CHANGESx_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a11b52e294ba5dd4f0380440Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/05/msg00001.htmlx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200511-0003/x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://support.apple.com/kb/HT211289Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4352-1/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-674
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