CVE-2021-31889

CWE-1917 documents5 sources
Severity
9.1CRITICAL
EPSS
1.6%
top 18.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Siemens Capital Embedded AR Classic 431-422Siemens Capital Embedded AR Classic R20-11Siemens Nucleus Readystart V3+2 more
Timeline
PublishedNov 9
Latest updateMay 24

Description

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0). Malformed TCP packets with a corrupted SACK option leads to Information Leaks and Denial-of-Service conditions. (FSMD-2021-0015)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages6 packages

▶CVEListV5siemens/simotics_connect_400All versions < V0.5.0.0
▶CVEListV5siemens/pluscontrol_1st_genAll versions
▶Android:unknown:SoCVersion:0 — SoCVersion:2022-01-05

🔴Vulnerability Details

5
GHSA
GHSA-9f8q-4pw9-8433: A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACn↗2022-05-24
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OSV
CVE-2021-31346: In Modem ICMP protocol integrated from Nucleus NET TCP/IP software, there is a possible out of bounds write due to a missing bounds check↗2022-01-01
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OSV
CVE-2021-31346: In Modem TCP protocol integrated from Nucleus NET TCP/IP software, there is a possible out of bounds write due to a missing bounds check↗2022-01-01
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OSV
CVE-2021-31346: In Modem TCP protocol integrated from Nucleus NET TCP/IP software, there is a possible system crash due to an improper input validation↗2022-01-01
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CVEList
CVE-2021-31889: A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303),↗2021-11-09
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📋Vendor Advisories

1
Android
CVE-2021-31889: Modem (Nucleus NET TCP/IP)↗2022-01-01
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