CVE-2020-17509

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Published Jan 11, 2021 CVSS 3.1 · 7.5 High EPSS 1.8% KEV · Not listed

Description

ATS negative cache option is vulnerable to a cache poisoning attack. If you have this option enabled, please upgrade or disable this feature. Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

Apache Traffic Server

affected

Version	Status	Constraints
`Apache Traffic Server 7.0.0 to 7.1.11, 8.0.0 to 8.1.0`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:apache:traffic_server::::::::
	cpe:2.3:a:apache:traffic_server::::::::
	cpe:2.3:a:apache:traffic_server::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DSA	DSA-4805-1	trafficserver security update
EUVD	EUVD-2020-9457	ATS negative cache option is vulnerable to a cache poisoning attack. If you have this option enabled, please upgrade or disable this feature. Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.8% (1.814% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://lists.apache.org/thread.html/raa9f0589c26c4d146646425e51e2a33e1457492df9f7ea2019daa6d3%40%3Cannounce.trafficserver.apache.org%3E

History

No history.

Subscriptions

Apache Traffic Server

Weaknesses

CWE-444

Sources

CVE record Updated: Aug 4, 2024, 2:00 PM

Status: PUBLISHED
Assigner: apache
Published: Jan 11, 2021, 9:40 AM
Updated: Aug 4, 2024, 2:00 PM
Reserved: Aug 12, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:59 AM

Status: Modified
Published: Jan 11, 2021, 10:15 AM
Modified: Jun 17, 2026, 2:59 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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