CVE-2020-35684 is a vulnerability in HCC Nichestack 3.0 and related Siemens products, where improper handling of the IP payload size during TCP checksum computation can lead to an out-of-bounds read or a low-impact write-out-of-bounds. This vulnerability carries a CVSS score of 7.5 (High), indicating it can be exploited remotely with low complexity, requiring no user interaction, and primarily impacting availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0CPE matchmatch criteria | cpe:2.3:a:hcc-embedded:nichestack:3.0:*:*:*:*:*:*:* | ||
< 1.2.0CPE matchmatch criteria | cpe:2.3:o:siemens:sentron_3wl_com35_firmware:*:*:*:*:*:*:*:* | ||
< 2.0.0CPE matchmatch criteria | cpe:2.3:o:siemens:sentron_3wa_com190_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.