CVE-2020-27782
Last modified
CVE-2020-27782 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. EPSS estimates a 1.27% chance of exploitation in the next 30 days.
Description
A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Redhat | Jboss Fuse | 6.0.0 | — |
| Redhat | Jboss Fuse | 7.0.0 | — |
| Redhat | Openshift Application Runtimes | All versions | — |
| Redhat | Undertow | 2.0.33 | Sp2 |
| Redhat | Undertow | 2.1.5 | Sp1 |
| Redhat | Undertow | 2.2.3 | Sp1 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1901304Issue Tracking, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1901304Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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