Security readout for executives and security teams
CVE-2019-19906 can let an unauthenticated remote party crash an OpenLDAP service when it uses vulnerable Cyrus SASL handling. The public record describes denial of service, not data theft or code execution. Business urgency depends on whether LDAP-backed authentication or directory services are exposed to untrusted networks. Systems most likely exposed are OpenLDAP deployments or products that use Cyrus SASL 2.1.27 or vulnerable vendor-packaged cyrus-sasl2 libraries, especially where LDAP is reachable by unauthenticated clients. The bundle does not provide complete affected-product CPEs. Patch during the next security maintenance window, sooner for exposed authentication or directory infrastructure. Escalate if LDAP outages would disrupt login, mail, VPN, or identity-dependent business services. Mitigation focus: Apply vendor security updates for Cyrus SASL or cyrus-sasl2 packages.; Upgrade to a vendor-fixed release; Cyrus SASL 2.1.28 is referenced as fixing this CVE.; Prioritize internet-facing or broadly reachable OpenLDAP services..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2019-19906 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/cyrusimap/cyrus-sasl/issues/587CVE reference · x_refsource_MISC
- https://www.openldap.org/its/index.cgi/Incoming?id=9123CVE reference · x_refsource_MISC
- [debian-lts-announce] 20191220 [SECURITY] [DLA 2044-1] cyrus-sasl2 security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-4591CVE reference · vendor-advisory, x_refsource_DEBIAN
- 20191225 [SECURITY] [DSA 4591-1] cyrus-sasl2 security updateCVE reference · mailing-list, x_refsource_BUGTRAQ
- USN-4256-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- FEDORA-2020-51d591d035CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-bf829f9a84CVE reference · vendor-advisory, x_refsource_FEDORA
- https://support.apple.com/kb/HT211288CVE reference · x_refsource_CONFIRM
- https://support.apple.com/kb/HT211289CVE reference · x_refsource_CONFIRM
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8CVE reference · mailing-list, x_refsource_MLIST
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8CVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.