CVE-2020-3153
Cisco AnyConnect Secure: Mobility Client for Windows Uncontrolled Search Path
As of , CVE-2020-3153 in Cisco AnyConnect Secure is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 24 October 2022
- US federal deadline
- 14 November 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Known
- EPSS score
- 0.28Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.02 on 24 October 2022EPSS on the day CISA listed it.
- Public exploit
- 1 Metasploit module
- Fix
- Vendor advice: tools.cisco.comLinks below, from CISA's entry.
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Cisco AnyConnect Secure Mobility Client for Windows allows for incorrect handling of directory paths. An attacker with valid credentials on Windows would be able to copy malicious files to arbitrary locations with system level privileges. This could include DLL pre-loading, DLL hijacking, and other related attacks.
CISA's description
A vulnerability in the installer component of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated local attacker to copy user-supplied files to system level directories with system level privileges. The vulnerability is due to the incorrect handling of directory paths. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. An exploit could allow the attacker to copy malicious files to arbitrary locations with system level privileges. This could include DLL pre-loading, DLL hijacking, and other related attacks. To exploit this vulnerability, the attacker needs valid credentials on the Windows system.
The CVE record's description, from cisco
- CVE published
- 19 February 2020
- Assigned by
- cisco
- CVSS
- 6.5 Medium (CVSS 3.0, from the CNA)
- CWE-427
- Uncontrolled Search Path Element
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- partial
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Metasploit: Cisco AnyConnect Privilege Escalations (CVE-2020-3153 and CVE-2020-3433)exploit module, rank excellent
AnyConnect Secure: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2020-3433Mobility Client for Windows DLL Hijacking | Cisco AnyConnect Secure | Patch this weekRansomware use; Metasploit module | 0.10 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org