CVE-2020-17509
HIGH
7.5
CVSS Score
Published: January 11, 2021 at 09:40 AM UTC
Updated: June 17, 2026 at 02:59 AM UTC
1 product affected across 1 vendorTraffic Server
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 8.1.06.0.0 ≤ v ≤ 6.2.37.0.0 ≤ v ≤ 7.1.108.0.0 ≤ v ≤ 8.0.7
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (1)
x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.apache.org/thread.html/raa9f0589c26c4d146646425e51e2a33e1457492df9f7ea2019daa6d3%40%3Cannounce.trafficserver.apache.org%3ECVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-444
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