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CVE Record

CVE-2018-1781: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a l...

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a local user to obtain root access by exploiting a symbolic link attack to read/write/corrupt a file that they originally did not have permission to access. IBM X-Force ID: 148804.

HighCVSS 8.4Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2018-1781 is a high-severity IBM DB2 local privilege escalation issue. On affected DB2 servers, a local user could exploit unsafe symbolic-link handling to gain root-level access or access files they should not control. Exposure is limited to systems running the listed DB2 versions where an attacker can execute locally or otherwise act as a local user. Internet exposure alone is not the primary signal from the sources. Treat this as high priority for affected DB2 infrastructure because successful exploitation can convert local access into root control. It is most urgent on shared hosts, regulated data systems, and environments with many local users or service accounts. Mitigation focus: Inventory DB2 LUW and DB2 Connect Server versions across all Unix-like hosts.; Check IBM support guidance for the applicable fix or upgrade path.; Prioritize remediation on shared, multi-user, or business-critical DB2 servers..

Prepared

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

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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CVE-2018-1781 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/A:H/AC:L/AV:L/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.4CVSS 3.0HighCVSS:3.0/A:H/AC:L/AV:L/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O2.55.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.4High
CVSS 3.0 vector shape for CVE-2018-1781Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:H/AC:L/AV:L/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMDB2 for Linux, UNIX and Windows10.5, 10.1, 9.7, 11.1Listed
Weakness

CWE details

No CWE listed

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