CVE-2020-27782
undertow: special character in query results in server errors
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Se encontró un fallo en el conector AJP de Undertow. Peticiones maliciosas y cierres de conexiones abruptas podrían ser desencadenadas por un atacante usando cadenas de consulta con caracteres que no cumplen con RFC, resultando en una denegación de servicio. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema. Esto afecta a Undertow versiones 2.1.5.SP1, 2.0.33.SP2 y 2.2.3.SP1
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.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-10-27 CVE Reserved
- 2021-01-25 CVE Published
- 2023-11-09 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1901304 | 2021-02-27 | |
| https://access.redhat.com/security/cve/CVE-2020-27782 | 2021-12-14 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Redhat Search vendor "Redhat" | Jboss Fuse Search vendor "Redhat" for product "Jboss Fuse" | 6.0.0 Search vendor "Redhat" for product "Jboss Fuse" and version "6.0.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Jboss Fuse Search vendor "Redhat" for product "Jboss Fuse" | 7.0.0 Search vendor "Redhat" for product "Jboss Fuse" and version "7.0.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openshift Application Runtimes Search vendor "Redhat" for product "Openshift Application Runtimes" | - | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Undertow Search vendor "Redhat" for product "Undertow" | 2.0.33 Search vendor "Redhat" for product "Undertow" and version "2.0.33" | sp2 |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Undertow Search vendor "Redhat" for product "Undertow" | 2.1.5 Search vendor "Redhat" for product "Undertow" and version "2.1.5" | sp1 |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Undertow Search vendor "Redhat" for product "Undertow" | 2.2.3 Search vendor "Redhat" for product "Undertow" and version "2.2.3" | sp1 |
Affected
| ||||||