CVE-2022-29965
These passwords are generated using a deterministic, insecure algorithm using a single seed value composed of a day/hour/minute timestamp with less than 16 bits of entropy.
Does this matter?
Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.
Description
The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. Access to privileged operations on the maintenance port TELNET interface (23/TCP) on M-series and SIS (CSLS/LSNB/LSNG) nodes is controlled by means of utility passwords. These passwords are generated using a deterministic, insecure algorithm using a single seed value composed of a day/hour/minute timestamp with less than 16 bits of entropy. The seed value is fed through a lookup table and a series of permutation operations resulting in three different four-character passwords corresponding to different privilege levels. An attacker can easily reconstruct these passwords and thus gain access to privileged maintenance operations. NOTE: this is different from CVE-2014-2350.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.18% probability · 7th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-327
- Affected
- emerson/deltav distributed control system · emerson/deltav distributed control system sq controller firmware · emerson/deltav distributed control system sx controller firmware · emerson/se4002s1t2b6 high side 40-pin mass i\/o terminal block firmware · emerson/se4003s2b4 16-pin mass i\/o terminal block firmware · emerson/se4003s2b524-pin mass i\/o terminal block firmware · emerson/se4017p0 h1 i\/o interface card and terminl block firmware · emerson/se4017p1 h1 i\/o card with integrated power firmware · emerson/se4019p0 simplex h1 4-port plus fieldbus i\/o interface with terminalblock firmware · emerson/se4026 virtual i\/o module 2 firmware · emerson/se4027 virtual i\/o module 2 firmware · emerson/se4032s1t2b8 high side 40-pin do mass i\/o terminal block firmware · emerson/se4037p0 h1 i\/o interface card and terminl block firmware · emerson/se4037p1 redundant h1 i\/o card with integrated power and terminal block firmware · emerson/se4039p0 redundant h1 4-port plus fieldbus i\/o interface with terminalblock firmware · emerson/se4052s1t2b6 high side 40-pin mass i\/o terminal block firmware · emerson/se4082s1t2b8 high side 40-pin do mass i\/o terminal block firmware · emerson/se4100 simplex ethernet i\/o card \(eioc\) assembly firmware · emerson/se4101 simplex ethernet i\/o card \(eioc\) assembly firmware · emerson/se4801t0x redundant wireless i\/o card firmware · +5 more
- Source
- cve@mitre.org
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03Third Party Advisory, US Government Resource
- https://www.forescout.com/blog/Third Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03Third Party Advisory, US Government Resource
- https://www.forescout.com/blog/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.