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CVE-2021-38438

7.8 HIGH

A use after free vulnerability in FATEK Automation WinProladder versions 3.30 and prior may be exploited when a valid user opens a malfor...

Published: 2021-10-18 · Last updated: 2026-06-17

Severity and scoring

CVSS
7.8 HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-416

Affected products

VendorProduct
fatekwinproladder

Description

A use after free vulnerability in FATEK Automation WinProladder versions 3.30 and prior may be exploited when a valid user opens a malformed project file, which may allow arbitrary code execution.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2021-38442 FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which cou... (7.8 HIGH)
  • CVE-2021-38440 FATEK Automation WinProladder versions 3.30 and prior is vulnerable to an out-of-bounds read, which may allow an attacker to read unautho... (3.3 LOW)
  • CVE-2021-38436 FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which cou... (7.8 HIGH)
  • CVE-2021-38434 FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which cou... (7.8 HIGH)
  • CVE-2021-38430 FATEK Automation WinProladder versions 3.30 and prior proper validation of user-supplied data when parsing project files, which could res... (7.8 HIGH)

Same CWE

  • CVE-2026-10640 Zephyr's IPv6 Neighbor Discovery send paths (net_ipv6_send_na, net_ipv6_send_ns, net_ipv6_send_rs in subsys/net/ip/ipv6_nbr.c) updated th... (4.2 MEDIUM)
  • CVE-2026-10639 In Zephyr's native IPv4 stack, icmpv4_handle_echo_request() in subsys/net/ip/icmpv4.c builds an echo-reply packet (reply), hands it to ne... (4.8 MEDIUM)
  • CVE-2026-10638 subsys/net/ip/icmpv6.c reads the network interface from a net_pkt after that packet has been handed to net_try_send_data() (5.9 MEDIUM)
  • CVE-2026-10637 subsys/net/ip/ipv6_mld.c:mld_send() read the packet interface via net_pkt_iface(pkt) after net_send_data(pkt) returned successfully (5.9 MEDIUM)
  • CVE-2026-10636 In Zephyr's IPv4 IGMP implementation, igmp_send() in subsys/net/ip/igmp.c read the network interface back out of the packet via net_pkt_i... (3.7 LOW)