CVE-2022-4636 json
Black Box KVM Firmware version 3.4.31307 on models ACR1000A-R-R2, ACR1000A-T-R2, ACR1002A-T, ACR1002A-R, and ACR1020A-T is vulnerable to pa…
published 2023-01-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-51966
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
Black Box KVM Firmware version 3.4.31307 on models ACR1000A-R-R2, ACR1000A-T-R2, ACR1002A-T, ACR1002A-R, and ACR1020A-T is vulnerable to path traversal, which may allow an attacker to steal user credentials and other sensitive information through local file inclusion.
Patch / fix
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-23-010-01 updated cvss 7.5
Black Box KVM
-
Black Box KVM ACR1000A-R-R2 3.4.31307 Black Box KVM ACR1000A-T-R2 3.4.31307 Black Box KVM ACR1002A-R 3.4.31307 Black Box KVM ACR1002A-T 3.4.31307 Black Box KVM ACR1020A-T 3.4.31307affected: mitigation “Black Box has provided an update to the firmware to mitigate this vulnerability and recommends all users update products to the latest versions:” blackbox.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Black Box KVM ACR1020A-T
- Black Box KVM ACR1002A-R
- Black Box KVM ACR1002A-T
- Black Box KVM ACR1000A-T-R2
- Black Box KVM ACR1000A-R-R2
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
cisa.gov
/uscert/ics/advisories/icsa-23-010-01
government-resource, patch, third-party-advisory, us-government-resource
Sources
- CVE List CVE-2022-4636
- NVD CVE-2022-4636
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