Detections
Analytics
Siemens in SCALANCE Products (CVE-2022-46143)
low Tenable OT Security Plugin ID 500789
Synopsis
The remote OT asset is affected by a vulnerability.Description
Affected devices do not check the TFTP blocksize correctly. This could allow an authenticated attacker to read from an uninitialized buffer that potentially contains previously allocated data.This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
Solution
The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.Siemens recommends updating to the latest version of its software where available:
- SCALANCE SC622-2C (6GK5622-2GS00-2AC2): Update to V2.3 or later
- SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (Specifically CVE-2022-34821, CVE-2022-46142, CVE-2022-46143, CVE-2022-46144):
Update to V3.0 or later
- SCALANCE SC626-2C (6GK5626-2GS00-2AC2): Update to V2.3 or later
- SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (Specifically for CVE-2022-34821, CVE-2022-46142, CVE-2022-46143, CVE-2022-46144): Update to V3.0 or later
- SCALANCE SC632-2C (6GK5632-2GS00-2AC2): Update to V2.3 or later
- SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (Specifically for CVE-2022-34821, CVE-2022-46142, CVE-2022-46143, CVE-2022-46144): Update to V3.0 or later
- SCALANCE SC636-2C (6GK5636-2GS00-2AC2): Update to V2.3 or later
- SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (Specifically for CVE-2022-34821, CVE-2022-46142, CVE-2022-46143, CVE-2022-46144): Update to V3.0 or later
- SCALANCE SC642-2C (6GK5642-2GS00-2AC2): Update to V2.3 or later
- SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (Specifically for CVE-2022-34821, CVE-2022-46142, CVE-2022-46143, CVE-2022-46144): Update to V3.0 or later
- SCALANCE SC646-2C (6GK5646-2GS00-2AC2): Update to V2.3 or later
- SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (Specifically for CVE-2022-34821, CVE-2022-46142, CVE-2022-46143, CVE-2022-46144): Update to V3.0 or later
As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.
Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage
For more information, see the associated Siemens security advisory SSA-413565 in HTML and CSAF.
See Also
https://cert-portal.siemens.com/productcert/pdf/ssa-413565.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-22-349-04
Plugin Details
Severity: Low
ID: 500789
Version: 1.8
Type: remote
Family: Tenable.ot
Published: 1/25/2023
Updated: 6/26/2025
Supported Sensors: Tenable OT Security
Risk Information
VPR
Risk Factor: Low
Score: 2.2
CVSS v2
Risk Factor: Low
Base Score: 3.3
Temporal Score: 2.4
Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:N/A:N
CVSS Score Source: CVE-2022-46143
CVSS v3
Risk Factor: Low
Base Score: 2.7
Temporal Score: 2.4
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:siemens:scalance_s615_firmware, cpe:/o:siemens:scalance_sc622-2c_firmware, cpe:/o:siemens:scalance_sc632-2c_firmware, cpe:/o:siemens:scalance_sc636-2c_firmware, cpe:/o:siemens:scalance_sc642-2c_firmware, cpe:/o:siemens:scalance_sc646-2c_firmware, cpe:/o:siemens:scalance_m804pb_firmware, cpe:/o:siemens:scalance_m874-2_firmware, cpe:/o:siemens:scalance_m874-3_firmware, cpe:/o:siemens:scalance_m876-3_firmware, cpe:/o:siemens:scalance_m876-4_firmware, cpe:/o:siemens:scalance_mum856-1_firmware, cpe:/o:siemens:scalance_wam763-1_firmware:-, cpe:/o:siemens:scalance_wam766-1_6ghz_firmware:-, cpe:/o:siemens:scalance_wam766-1_firmware:-, cpe:/o:siemens:scalance_wum763-1_firmware:-, cpe:/o:siemens:scalance_wum766-1_6ghz_firmware:-, cpe:/o:siemens:scalance_wum766-1_firmware:-, cpe:/o:siemens:scalance_mum853-1_firmware, cpe:/o:siemens:scalance_m812-1_adsl-router_firmware, cpe:/o:siemens:scalance_m816-1_adsl-router_firmware, cpe:/o:siemens:scalance_m826-2_shdsl-router_firmware, cpe:/o:siemens:scalance_s615_eec_firmware, cpe:/o:siemens:scalance_sc626-2c_firmware, cpe:/o:siemens:scalance_w1748-1_m12_firmware:-, cpe:/o:siemens:scalance_w1788-1_m12_firmware:-, cpe:/o:siemens:scalance_w1788-2_eec_m12_firmware:-, cpe:/o:siemens:scalance_w1788-2_m12_firmware:-, cpe:/o:siemens:scalance_w1788-2ia_m12_firmware:-, cpe:/o:siemens:scalance_w721-1_rj45_firmware, cpe:/o:siemens:scalance_w722-1_rj45_firmware, cpe:/o:siemens:scalance_w734-1_rj45_firmware, cpe:/o:siemens:scalance_w738-1_m12_firmware, cpe:/o:siemens:scalance_w748-1_m12_firmware, cpe:/o:siemens:scalance_w761-1_rj45_firmware:-, cpe:/o:siemens:scalance_w774-1_m12_eec_firmware:-, cpe:/o:siemens:scalance_w774-1_m12_rj45_firmware:-, cpe:/o:siemens:scalance_w774-1_rj45_firmware:-, cpe:/o:siemens:scalance_w778-1_m12_eec_firmware:-, cpe:/o:siemens:scalance_w778-1_m12_firmware:-, cpe:/o:siemens:scalance_w786-1_rj45_firmware:-, cpe:/o:siemens:scalance_w786-2_rj45_firmware:-, cpe:/o:siemens:scalance_w786-2_sfp_firmware:-, cpe:/o:siemens:scalance_w786-2ia_rj45_firmware:-, cpe:/o:siemens:scalance_w788-1_m12_firmware:-, cpe:/o:siemens:scalance_w788-1_rj45_firmware:-, cpe:/o:siemens:scalance_w788-2_m12_eec_firmware:-, cpe:/o:siemens:scalance_w788-2_m12_firmware:-, cpe:/o:siemens:scalance_wam766-1_ecc_firmware:-, cpe:/o:siemens:scalance_xb205-3_firmware:-, cpe:/o:siemens:scalance_xb205-3ld_firmware:-, cpe:/o:siemens:scalance_xb208_firmware:-, cpe:/o:siemens:scalance_xb213-3_firmware:-, cpe:/o:siemens:scalance_xb213-3ld_firmware:-, cpe:/o:siemens:scalance_xb216_firmware:-, cpe:/o:siemens:scalance_xc206-2_firmware:-, cpe:/o:siemens:scalance_xc206-2g_poe_eec_firmware:-, cpe:/o:siemens:scalance_xc206-2g_poe_firmware:-, cpe:/o:siemens:scalance_xc206-2sfp_eec_firmware:-, cpe:/o:siemens:scalance_xc206-2sfp_firmware:-, cpe:/o:siemens:scalance_xc206-2sfp_g_eec_firmware:-, cpe:/o:siemens:scalance_xc206-2sfp_g_firmware:-, cpe:/o:siemens:scalance_xc208_eec_firmware:-, cpe:/o:siemens:scalance_xc208_firmware:-, cpe:/o:siemens:scalance_xc208_poe_firmware:-, cpe:/o:siemens:scalance_xc216-3g_poe_firmware:-, cpe:/o:siemens:scalance_xc216-4c_firmware:-, cpe:/o:siemens:scalance_xc216-4c_g_eec_firmware:-, cpe:/o:siemens:scalance_xc216-4c_g_firmware:-, cpe:/o:siemens:scalance_xc216_firmware:-, cpe:/o:siemens:scalance_xc216eec_firmware:-, cpe:/o:siemens:scalance_xc224-4c_g_eec_firmware:-, cpe:/o:siemens:scalance_xc224-4c_g_firmware:-, cpe:/o:siemens:scalance_xc224_firmware:-, cpe:/o:siemens:scalance_xf204-2ba_firmware:-, cpe:/o:siemens:scalance_xf204_dna_firmware:-, cpe:/o:siemens:scalance_xf204_firmware:-, cpe:/o:siemens:scalance_xm408-4c_firmware:-, cpe:/o:siemens:scalance_xm408-8c_firmware:-, cpe:/o:siemens:scalance_xm416-4c_firmware:-, cpe:/o:siemens:scalance_xp208_firmware:-, cpe:/o:siemens:scalance_xp208eec_firmware:-, cpe:/o:siemens:scalance_xp208poe_eec_firmware:-, cpe:/o:siemens:scalance_xp216_firmware:-, cpe:/o:siemens:scalance_xp216eec_firmware:-, cpe:/o:siemens:scalance_xp216poe_eec_firmware:-, cpe:/o:siemens:scalance_xr324wg_firmware:-, cpe:/o:siemens:scalance_xr326-2c_firmware:-, cpe:/o:siemens:scalance_xr326-2c_poe_firmware:-, cpe:/o:siemens:scalance_xr328-4c_wg_firmware:-, cpe:/o:siemens:scalance_xr524-8c_firmware:-, cpe:/o:siemens:scalance_xr526-8c_firmware:-, cpe:/o:siemens:scalance_xr528-6m_firmware:-, cpe:/o:siemens:scalance_xr552-12m_firmware:-, cpe:/o:siemens:siplus_net_scalance_xc206-2_firmware:-, cpe:/o:siemens:siplus_net_scalance_xc206-2sfp_firmware:-, cpe:/o:siemens:siplus_net_scalance_xc208_firmware:-, cpe:/o:siemens:siplus_net_scalance_xc216-4c_firmware:-, cpe:/o:siemens:scalance_xf204-2ba_dna_firmware:-, cpe:/o:siemens:ruggedcom_rm1224_lte_firmware, cpe:/o:siemens:scalance_w788-2_rj45_firmware:-
Required KB Items: Tenable.ot/Siemens
Exploit Ease: No known exploits are available
Patch Publication Date: 12/13/2022
Vulnerability Publication Date: 12/13/2022
Reference Information
CVE: CVE-2022-46143
CWE: 1284
ICSA: 22-349-04