Security readout for executives and security teams
OpenSSH ssh-agent could fail to apply destination restrictions to every private key returned by a PKCS#11 token. A user may think keys are limited to specific destinations, while additional token keys are less restricted. This mainly matters where hardware or PKCS#11-backed SSH keys are used with agent constraints. Exposure is most likely on systems running OpenSSH before 9.6 where users add PKCS#11-hosted keys to ssh-agent with destination constraints. General OpenSSH deployments without PKCS#11 tokens or without constrained agent keys are less directly exposed. Vendor advisories show downstream impact across some Linux, Apple, NetApp, and Siemens contexts. Treat as a targeted exposure issue, not a broad internet-facing emergency. Prioritize patching administrative workstations, developer systems, jump hosts, and appliances where SSH agents and PKCS#11-backed keys protect privileged access. Mitigation focus: Update OpenSSH to 9.6 or vendor-fixed packages where available.; Check operating system and appliance vendor advisories for backported fixes.; Review PKCS#11 token use with ssh-agent destination constraints..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-51384 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE publishedCVE Program
The CVE record was published.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.openssh.com/txt/release-9.6CVE reference, mitre
- https://www.openwall.com/lists/oss-security/2023/12/18/2CVE reference, mitre
- https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754bCVE reference, mitre
- DSA-5586CVE reference, mitre · vendor-advisory
- https://security.netapp.com/advisory/ntap-20240105-0005/CVE reference, mitre
- https://support.apple.com/kb/HT214084CVE reference, mitre
- https://cert-portal.siemens.com/productcert/html/ssa-794697.htmlCVE reference, siemens-SADP
- https://cert-portal.siemens.com/productcert/html/ssa-769027.htmlCVE reference, siemens-SADP
- https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlCVE reference, siemens-SADP
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.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.