High severity · published Aug 10, 2022
CVE-2022-36324
Affected devices do not properly handle the renegotiation of SSL/TLS parameters
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
Affected devices do not properly handle the renegotiation of SSL/TLS parameters. This could allow an unauthenticated remote attacker to bypass the TCP brute force prevention and lead to a denial of service condition for the duration of the attack.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RR
RUGGEDCOM RM1224 LTE(4G) EU · Siemens
before V7.1.2 · source: vendor
RR
RUGGEDCOM RM1224 LTE(4G) NAM · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M804PB · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M812-1 ADSL-Router · Siemens
before V7.1.2; before V7.1.2 · source: vendor
SM
SCALANCE M816-1 ADSL-Router · Siemens
before V7.1.2; before V7.1.2 · source: vendor
SM
SCALANCE M826-2 SHDSL-Router · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M874-2 · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M874-3 · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M876-3 · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M876-3 (ROK) · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M876-4 (EU) · Siemens
before V7.1.2 · source: vendor
SM
SCALANCE M876-4 (NAM) · Siemens
before V7.1.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-36324
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-36324
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-019200.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-710008.html
Mitigation
https://cert-portal.siemens.com/productcert/pdf/ssa-710008.pdf
More from RUGGEDCOM RM1224 LTE(4G) EU
9.1
CVE-2022-36323
Affected devices do not properly sanitize an input field
8.8
CVE-2025-15467
Stack buffer overflow in CMS (Auth)EnvelopedData parsing
8.8
CVE-2022-31765
Affected devices do not properly authorize the change password function of the web interface
8.6
CVE-2022-31766
A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions <…
7.5
CVE-2025-40833
The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests