CVE-2022-30273
The Motorola MDLC protocol through 2022-05-02 mishandles message integrity.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The Motorola MDLC protocol through 2022-05-02 mishandles message integrity. It supports three security modes: Plain, Legacy Encryption, and New Encryption. In Legacy Encryption mode, traffic is encrypted via the Tiny Encryption Algorithm (TEA) block-cipher in ECB mode. This mode of operation does not offer message integrity and offers reduced confidentiality above the block level, as demonstrated by an ECB Penguin attack against any block ciphers.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.41% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-327, CWE-345
- Affected
- motorolasolutions/mdlc
- Source
- cve@mitre.org
References
- https://en.wikipedia.org/wiki/Block_cipher_mode_of_operationThird Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-05Mitigation, Third Party Advisory, US Government Resource
- https://www.forescout.com/blog/Not Applicable, Third Party Advisory
- https://en.wikipedia.org/wiki/Block_cipher_mode_of_operationThird Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-05Mitigation, Third Party Advisory, US Government Resource
- https://www.forescout.com/blog/Not Applicable, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.