CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
81.5%
An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.
Vendor | Product | Version | CPE |
---|---|---|---|
arm | mbed_tls | * | cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* |
siemens | logo\!_cmr2020_firmware | * | cpe:2.3:o:siemens:logo\!_cmr2020_firmware:*:*:*:*:*:*:*:* |
siemens | logo\!_cmr2020 | - | cpe:2.3:h:siemens:logo\!_cmr2020:-:*:*:*:*:*:*:* |
siemens | logo\!_cmr2040_firmware | * | cpe:2.3:o:siemens:logo\!_cmr2040_firmware:*:*:*:*:*:*:*:* |
siemens | logo\!_cmr2040 | - | cpe:2.3:h:siemens:logo\!_cmr2040:-:*:*:*:*:*:*:* |
siemens | simatic_rtu3031c_firmware | * | cpe:2.3:o:siemens:simatic_rtu3031c_firmware:*:*:*:*:*:*:*:* |
siemens | simatic_rtu3031c | - | cpe:2.3:h:siemens:simatic_rtu3031c:-:*:*:*:*:*:*:* |
siemens | simatic_rtu3041c_firmware | * | cpe:2.3:o:siemens:simatic_rtu3041c_firmware:*:*:*:*:*:*:*:* |
siemens | simatic_rtu3041c | - | cpe:2.3:h:siemens:simatic_rtu3041c:-:*:*:*:*:*:*:* |
siemens | simatic_rtu3030c_firmware | * | cpe:2.3:o:siemens:simatic_rtu3030c_firmware:*:*:*:*:*:*:*:* |
cert-portal.siemens.com/productcert/pdf/ssa-756638.pdf
github.com/ARMmbed/mbedtls/releases/tag/v2.16.9
github.com/ARMmbed/mbedtls/releases/tag/v2.25.0
github.com/ARMmbed/mbedtls/releases/tag/v2.7.18
lists.debian.org/debian-lts-announce/2021/11/msg00021.html
lists.debian.org/debian-lts-announce/2022/12/msg00036.html
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
81.5%