CVE-2021-34739

Severity
8.1HIGH
EPSS
0.5%
top 33.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 4
Latest updateMay 24

Description

A vulnerability in the web-based management interface of multiple Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to replay valid user session credentials and gain unauthorized access to the web-based management interface of an affected device. This vulnerability is due to insufficient expiration of session credentials. An attacker could exploit this vulnerability by conducting a man-in-the-middle attack against an affected device to intercept valid session c

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages195 packages

NVDcisco/sf500-24_firmware2.5.5.02.5.8.12
NVDcisco/sf500-48_firmware2.5.5.02.5.8.12
NVDcisco/sg500-28_firmware2.5.5.02.5.8.12
NVDcisco/sg500-52_firmware2.5.5.02.5.8.12

🔴Vulnerability Details

2
GHSA
GHSA-5fmw-qrmv-x2mw: A vulnerability in the web-based management interface of multiple Cisco Small Business Series Switches could allow an unauthenticated, remote attacker2022-05-24
CVEList
Cisco Small Business Series Switches Session Credentials Replay Vulnerability2021-11-04

📋Vendor Advisories

1
Cisco
Cisco Small Business Series Switches Session Credentials Replay Vulnerability2021-11-03