CVE-2020-13111
HIGH7.5CVSS v3
5.0CVSS v2
0.58%
EPSS (exploit probability)
CWE-20CWE
Description
NaviServer 4.99.4 to 4.99.19 allows denial of service due to the nsd/driver.c ChunkedDecode function not properly validating the length of a chunk. A remote attacker can craft a chunked-transfer request that will result in a negative value being passed to memmove via the size parameter, causing the process to crash.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected routers (1)
| Vendor | Model | Matched via | Affected versions | Fixed in | Patch? |
|---|---|---|---|---|---|
| Ubiquiti | Ubiquiti EdgeRouter 4 | — |
— | — | No |