CVE-2022-23139
CVE-2022-23139 is a high-severity vulnerability in Zte Zxmp M721 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Zte Zxmp M721 Firmware
- Published:
- Last modified:
Description
ZTE's ZXMP M721 product has a permission and access control vulnerability. Since the folder permission viewed by sftp is 666, which is inconsistent with the actual permission. It’s easy for?users to?ignore the modification?of?the file permission configuration, so that low-authority accounts could actually obtain higher operating permissions on key files.
Frequently asked questions
- What is CVE-2022-23139?
- ZTE's ZXMP M721 product has a permission and access control vulnerability. Since the folder permission viewed by sftp is 666, which is inconsistent with the actual permission. It’s easy for?users to?ignore the modification?of?the file permission configuration, so that low-authority accounts could actually obtain higher operating permissions on key files.
- How severe is CVE-2022-23139?
- CVE-2022-23139 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-23139 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-23139?
- CVE-2022-23139 affects Zte Zxmp M721 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-23139?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-23139 published?
- CVE-2022-23139 was published on 2022-05-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zte:zxmp_m721_firmware:5.10.030.006:*:*:*:*:*:*:*
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