CVE-2023-20240 describes multiple out-of-bounds memory read vulnerabilities in Cisco Secure Client Software (formerly AnyConnect Secure Mobility Client). An authenticated, local attacker can exploit these flaws by sending crafted packets while another user is accessing the client on the same multi-user system. Successful exploitation leads to a denial of service (DoS) condition by crashing the VPN Agent service. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring valid user credentials, and resulting in high availability impact. There is no impact on confidentiality or integrity. Currently, there is no evidence of active exploitation, nor is public exploit code available (Metasploit, Nuclei, ExploitDB). Community discussion and media coverage for this CVE are minimal, suggesting low public awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.9.00086CPE matchmatch criteria | cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.00086:*:*:*:*:*:*:* | ||
4.9.01095CPE matchmatch criteria | cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.01095:*:*:*:*:*:*:* | ||
4.9.02028CPE matchmatch criteria | cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.02028:*:*:*:*:*:*:* | ||
4.9.03047CPE matchmatch criteria | cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.03047:*:*:*:*:*:*:* | ||
4.9.03049CPE matchmatch criteria | cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.03049:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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.