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CVE Record

CVE-1999-0963: FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.

FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old FreeBSD local privilege escalation issue. A user already on the system could reportedly abuse mount_union with a symlink attack to gain root privileges. The bundle does not identify affected FreeBSD versions, patches, or current exploitation. Exposure is most plausible on legacy FreeBSD systems where mount_union exists and local users can run or influence it. The source bundle does not define affected versions or configurations. Treat as a legacy-platform risk. It is urgent for organizations still operating old FreeBSD systems with local users, but the provided evidence is insufficient to rate broad business exposure. Mitigation focus: Inventory FreeBSD hosts and appliances, especially legacy systems.; Check FreeBSD advisories or vendor backports for the affected release.; Limit local shell access where exposure cannot be immediately determined..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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