CVE-2021-40122
published 2021-10-21CVE-2021-40122: A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS)…
PriorityP341high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.13%
62.6th percentile
A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper handling of large series of message requests. An attacker could exploit this vulnerability by sending a series of messages to the vulnerable API. A successful exploit could allow the attacker to cause the affected device to reload, dropping all ongoing calls and resulting in a DoS condition.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_meeting_server | — | — |
| cisco | meeting_server | <= 3.1 | — |
| cisco | meeting_server | >= 3.2 < 3.2.3 | 3.2.3 |
| cisco | meeting_server_call_bridge | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
vendor_cisco5.9MEDIUM
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Cisco
Cisco Meeting Server Call Bridge Denial of Service Vulnerability
vendor_cisco·2021-10-20·CVSS 5.9
CVE-2021-40122 [MEDIUM] CWE-399 Cisco Meeting Server Call Bridge Denial of Service Vulnerability
Cisco Meeting Server Call Bridge Denial of Service Vulnerability
A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.
This vulnerability is due to improper handling of large series of message requests. An attacker could exploit this vulnerability by sending a series of messages to the vulnerable API. A successful exploit could allow the attacker to cause the affected device to reload, dropping all ongoing calls and resulting in a DoS condition.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content
Cisco
Cisco Meeting Server Call Bridge Denial of Service Vulnerability
vendor_cisco·CVSS 3.1
CVE-2021-40122 Cisco Meeting Server Call Bridge Denial of Service Vulnerability
CVE-2021-40122: Cisco Meeting Server Call Bridge Denial of Service Vulnerability
A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper handling of large series of message requests. An attacker could exploit this vulnerability by sending a series of messages to the vulnerable API. A successful exploit could allow the attacker to cause the affected device to reload, dropping all ongoing calls and resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no
CVSS: 3.1
CWE: CWE-399, CWE-399
Bug IDs: CSCvz44400
GHSA
GHSA-3rqh-cwpr-p993: A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of serv
ghsa_unreviewed·2022-05-24
CVE-2021-40122 [HIGH] CWE-404 GHSA-3rqh-cwpr-p993: A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of serv
A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper handling of large series of message requests. An attacker could exploit this vulnerability by sending a series of messages to the vulnerable API. A successful exploit could allow the attacker to cause the affected device to reload, dropping all ongoing calls and resulting in a DoS condition.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-10-21
Published