CVE-2021-40856 is an authentication bypass vulnerability affecting Auerswald COMfortel 1400 IP and 2600 IP devices running firmware versions prior to 2.8G. This flaw, rated 7.5 HIGH on the CVSS scale, allows unauthenticated attackers to bypass security measures by manipulating URLs with the "/about/../" substring, potentially leading to full compromise of confidentiality. While there is no evidence of active exploitation or KEV listing, public exploit templates exist for tools like Nuclei, and its high EPSS score indicates a significant likelihood of future exploitation. Despite its severity and ease of exploitation, there is currently minimal community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.8fCPE matchmatch criteria | cpe:2.3:o:auerswald:comfortel_3600_ip_firmware:*:*:*:*:*:*:*:* | ||
<= 2.8fCPE matchmatch criteria | cpe:2.3:o:auerswald:comfortel_2600_ip_firmware:*:*:*:*:*:*:*:* | ||
<= 2.8fCPE matchmatch criteria | cpe:2.3:o:auerswald:comfortel_1400_ip_firmware:*:*:*:*:*:*:*:* |
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.