csirt@kutim:~/threat-intel/cve/CVE-2021-20110

Katalog CVE

CVSS 9.8 · Critical EPSS 7,4%

Kerentanan Integer Overflow or Wraparound pada zohocorp manageengine assetexplorer. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

Due to Manage Engine Asset Explorer Agent 1.0.34 not validating HTTPS certificates, an attacker on the network can statically configure their IP address to match the Asset Explorer's Server IP address. This will allow an attacker to send a NEWSCAN request to a listening agent on the network as well as receive the agent's HTTP request verifying its authtoken. In httphandler.cpp, the agent reaching out over HTTP is vulnerable to an Integer Overflow, which can be turned into a Heap Overflow allowing for remote code execution as NT AUTHORITY/SYSTEM on the agent machine. The Integer Overflow occurs when receiving POST response from the Manage Engine server, and the agent calling "HttpQueryInfoW" in order to get the "Content-Length" size from the incoming POST request. This size is taken, but multiplied to a larger amount. If an attacker specifies a Content-Length size of 1073741823 or larger, this integer arithmetic will wrap the value back around to smaller integer, then calls "calloc" with this size to allocate memory. The following API "InternetReadFile" will copy the POST data into this buffer, which will be too small for the contents, and cause heap overflow.

Rincian

Terbit di NVD
19 Juli 2021
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-190: Integer Overflow or Wraparound
EPSS (30 hari)
7,4% peluang dieksploitasi; lebih tinggi dari 94,2% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
zohocorp manageengine assetexplorer Versi 1.0.34

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.