Vulnerability in Zyxel Xgs2220-30
CVE-2023-28768
Improper frame handling in the Zyxel XGS2220-30 firmware version V4.80(ABXN.1), XMG1930-30 firmware version V4.80(ACAR.1), and XS1930-10 firmware version V4.80(ABQE.1) could allow an unauthenticated LAN-based attacker to cause denial-of-service (DoS) conditions by sending crafted frames to an affected switch.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Zyxel Xgs2220-30
- Zyxel Xgs2220-30f
- Zyxel Xgs2220-30f Firmware — versions 4.80(abye.1), 4.80\(abye.1\)
- Zyxel Xgs2220-30 Firmware — versions V4.80(ABXN.1)
- Zyxel Xgs2220-30 Firmware — versions 4.80(abxn.1), 4.80\(abxn.1\)
- Zyxel Xgs2220-30hp
- Zyxel Xgs2220-30hp Firmware — versions 4.80\(abxo.1\), 4.80(abxo.1)
- Zyxel Xgs2220-54
- Zyxel Xgs2220-54 Firmware — versions 4.80\(abxp.1\), 4.80(abxp.1)
- Zyxel Xgs2220-54fp
Weakness classification (CWE)
References
- www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for… (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-28768?
- CVE-2023-28768 is a medium-severity vulnerability in Zyxel Xgs2220-30, classified under Improper Handling of Exceptional Conditions. CVSS score: 6.5/10. Published 2023-08-14.
- How severe is CVE-2023-28768?
- Medium severity. CVSS v3 base score is 6.5 out of 10.