CVE-2021-45488 describes an information leak vulnerability in the TCP Initial Sequence Number (ISN) generation algorithm within NetBSD versions up to 9.2. This flaw allows an unauthenticated attacker to remotely infer information due to the predictable nature of the ISN. With a CVSS score of 7.5 (HIGH), the vulnerability has a low attack complexity and could lead to a high impact on confidentiality, though integrity and availability are not affected. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 9.2CPE matchmatch criteria | cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
No media coverage found for this CVE.
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.