← Browse

CVE-2022-20928

Low

No strong exploitation signal.

CVSS base
5.8 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS — probability of exploitation (30 days)
0.7%
52.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-863
Published 2022-11-15 · modified 2026-08-11

CVSS breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Attack VectorNNetwork
Attack ComplexityLLow
Privileges RequiredNNone
User InteractionNNone
ScopeCChanged
ConfidentialityNNone
IntegrityLLow
AvailabilityNNone

Timeline

Description

A vulnerability in the authentication and authorization flows for VPN connections in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to establish a connection as a different user. This vulnerability is due to a flaw in the authorization verifications during the VPN authentication flow. An attacker could exploit this vulnerability by sending a crafted packet during a VPN authentication. The attacker must have valid credentials to establish a VPN connection. A successful exploit could allow the attacker to establish a VPN connection with access privileges from a different user.

Affected

cisco

References

Official: NVD · CVE.org