Vulnerability · Published Jan 13, 2021 · Assigned by cisco

CVE-2021-1258Cisco AnyConnect Secure Mobility Client Arbitrary File Read Vulnerability

Medium 5.5

In plain English

A medium-severity security flaw in Cisco AnyConnect Secure Mobility Client from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.3%top 72.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the upgrade component of Cisco AnyConnect Secure Mobility Client could allow an authenticated, local attacker with low privileges to read arbitrary files on the underlying operating system (OS) of an affected device. The vulnerability is due to insufficient file permission restrictions. An attacker could exploit this vulnerability by sending a crafted command from the local CLI to the application. A successful exploit could allow the attacker to read arbitrary files on the underlying OS of the affected device. The attacker would need to have valid user credentials to exploit this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco AnyConnect Secure Mobility Client	n/a

Weakness: CWE-264 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

20210113 Cisco AnyConnect Secure Mobility Client Arbitrary File Read Vulnerability vendor-advisory, x_refsource_CISCO
https://kc.mcafee.com/corporate/index?page=content&id=SB10382 x_refsource_CONFIRM