SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-49897

FXC AE1021, AE1021PE OS Command Injection Vulnerability

KEVHIGH 8.8EPSS 50.4%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 11 January 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

An OS command injection vulnerability exists in AE1021PE firmware version 2.0.9 and earlier and AE1021 firmware version 2.0.9 and earlier. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
50.45% probability · 99th percentile
CISA KEV
Listed 21 December 2023 · due 11 January 2024
Weakness
CWE-78
Affected
fxc/ae1021 firmware · fxc/ae1021pe firmware
Source
vultures@jpcert.or.jp

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://www.fxc.jp/news/20231206 ; https://nvd.nist.gov/vuln/detail/CVE-2023-49897

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.