Known exploited vulnerability
CVE-2023-49897
The short answer
CVE-2023-49897 affects FXC Inc. AE1021PE and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-12-21: attackers are using it, so patch it first.
What it is
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.
Weakness: CWE-78.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Dec 21, 2023
Federal due date Jan 11, 2024
EPSS, next 30 days
50%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
AE1021PE, AE1021. NVD's record lists the exact affected versions.
References
- jvn.jp/en/vu/JVNVU92152057/ Third Party Advisory
- www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched ExploitThird Party Advisory
- www.cisa.gov/news-events/ics-advisories/icsa-23-355-01 Third Party AdvisoryUS Government Resource
- www.fxc.jp/news/20231206 Release NotesVendor Advisory
- jvn.jp/en/vu/JVNVU92152057/ Third Party Advisory
- www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched ExploitThird Party Advisory
- www.cisa.gov/news-events/ics-advisories/icsa-23-355-01 Third Party AdvisoryUS Government Resource
- www.fxc.jp/news/20231206 Release NotesVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-49897 US Government Resource
Questions
Is CVE-2023-49897 being exploited?
Yes. CISA added CVE-2023-49897 to its Known Exploited Vulnerabilities catalog on 2023-12-21, with a federal remediation due date of 2024-01-11.
How do I fix CVE-2023-49897?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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