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CVE Record

CVE-2017-12171: A regression was found in the Red Hat Enterprise Linux 6.9 version of httpd 2.2.15-60, causing comments in...

A regression was found in the Red Hat Enterprise Linux 6.9 version of httpd 2.2.15-60, causing comments in the "Allow" and "Deny" configuration lines to be parsed incorrectly. A web administrator could unintentionally allow any client to access a restricted HTTP resource.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

A Red Hat httpd regression could make a protected web resource open to everyone if comments were used on Allow or Deny configuration lines. The business risk is unintended access to restricted web content, not server takeover. Exposure appears limited to Red Hat Enterprise Linux 6.9 systems running the affected Red Hat httpd 2.2.15-60 package, especially where restricted resources rely on Allow or Deny lines containing comments. Treat as a moderate legacy-platform access-control issue. It deserves prompt remediation on exposed or sensitive web servers, but the sources do not support emergency priority for active exploitation. Mitigation focus: Apply Red Hat guidance in RHSA-2017:2972 for affected systems.; Prioritize internet-facing or sensitive internal httpd services first.; Remove or rewrite comments on Allow and Deny lines as a temporary risk reduction..

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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cwe · medium confidence lookup

CWE-284: Authorization and privilege behavior lookup

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cve · low confidence lookup

CVE-2017-12171 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1CVSS vectors
0Timeline events
0ADP providers
3Source 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
6.5CVSS 3.0MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N3.92.5Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.5Medium
CVSS 3.0 vector shape for CVE-2017-12171Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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
Red Hathttpd2.2.15-60Listed
Weakness

CWE details

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CWE-284 · source CWE mapping

Improper Access Control

Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.