CVE-2020-27123 json
Cisco AnyConnect Secure Mobility Client for Windows Arbitrary File Read Vulnerability
published 2020-11-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19647
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to read arbitrary files on the underlying operating system of an affected device. The vulnerability is due to an exposed IPC function. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process on an affected device. A successful exploit could allow the attacker to read arbitrary files on the underlying operating system of the affected device.
Patch / fix
- cisco anyconnect_secure_mobility_client 4.9.03047
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.9 | AV:L/AC:L/Au:N/C:C/I:N/A:N |
Affected products
- Cisco Cisco AnyConnect Secure Mobility Client
Classification
- Weakness
-
- CWE-749 Exposed Dangerous Method or Function
References
Sources
- CVE List CVE-2020-27123
- NVD CVE-2020-27123
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