CVE-2023-49897

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.504 · 99 %ileEURUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV
Likely / severe?
50.4% (99th) EPSS
CVSS 8.8 · high
Is it mine?
10 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

added 2023-12-21remediate by 2024-01-11

required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-26

FXC AE1021, AE1021PE OS Command Injection Vulnerability

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedAE1021 firmwarecisa_csaf_ot

    AE1021 firmware: version 2.0.10.

  • FixedAE1021PE firmwarecisa_csaf_ot

    AE1021PE firmware: version 2.0.10.

  • MitigationAE1021 firmwarecisa_csaf_ot

    FXC recommends users apply the following settings:

  • MitigationAE1021PE firmwarecisa_csaf_ot

    FXC recommends users apply the following settings:

02

cvss

Technical severity, 0–10. One row per scoring source.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.18highCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.18highAV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

ATT&CK techniques

ATT&CK techniques this enables or maps to.

06

affected products (10)

Products and version ranges known to be affected.

07

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-23-355-01FXC AE1021/AE1021PE2023-12-21icsa · cisa_csaf_otUS

    Successful exploitation of this vulnerability could allow an attacker to achieve remote code execution on the device via NTP server settings.

08

also known as (4)

Other names and identifiers for this entity.

09

sources

Which sources assert this record, and when.

11

references (14)

External citations — patches, advisories, analysis.

scry

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