CVE-2020-18756

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An arbitrary memory access vulnerability in the EPA protocol of Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to read the contents of any variable area.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published: Aug 13, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-187577.5An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to cause persistent denial of service (DOS) via a crafted pa CVE-2020-187589.8An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to execute arbitrary code.CVE-2020-187597.5An information disclosure vulnerability exists in the EPA protocol of Dut Computer Control Engineering Co.'s PLC MAC1100.CVE-2020-18767.5NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an out-of-bounds write vulnerabili CVE-2020-187669.6A cross-site scripting (XSS) vulnerability AntSword v2.0.7 can remotely execute system commands.CVE-2020-187685.5There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service CVE-2020-18774.4NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an invalid pointer access vulnerab CVE-2020-187705.5An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.CVE-2020-187718.1Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an inf CVE-2020-187736.5An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a cra CVE-2020-187746.5A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via CVE-2020-187756.5In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-ser