XSS in ZTE R5300g4

CVE-2020-6872

The server management software module of ZTE has a storage XSS vulnerability. The attacker inserts some attack codes through the foreground login page, which will cause the user to execute the predefined malicious script in the browser. This affects <R5300G4V03.08.0100/V03.07.0300/V03.07.0200/V03.07.0108/V03.07.0100/V03.05.0047/V03.05.0046/V03.05.0045/V03.05.0044/V03.05.0043/V03.05.0040/V03.04.0020;R8500G4V03.07.0103/V03.07.0101/V03.06.0100/V03.05.0400/V03.05.0020;R5500G4V03.08.0100/V03.07.0200/V03.07.0100/V03.06.0100>.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-6872: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

  • ZTE R5300g4
  • ZTE R5300g4 Firmware — versions 03.04.0020, 03.05.0040, 03.05.0043
  • ZTE R5500g4
  • ZTE R5500g4 Firmware — versions 03.06.0100, 03.07.0100, 03.07.0200
  • ZTE R8500g4
  • ZTE R8500g4 Firmware — versions 03.05.0020, 03.05.0400, 03.06.0100
  • <r5300g4?r8500g4?r5500g4> — versions <R5300G4V03.08.0100/V03.07.0300/V03.07.0200/V03.07.0108/V03.07.0100/V03.05.0047/V03.05.0046/V03.05.0045/V03.05.0044/V03.05.0043/V03.05.0040/V03.04.0020, R8500G4V03.07.0103/V03.07.0101/V03.06.0100/V03.05.0400/V03.05.0020, R5500G4V03.08.0100/V03.07.0200/V03.07.0100/V03.06.0100>

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-6872?
CVE-2020-6872 is a medium-severity vulnerability in ZTE R5300g4, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-07-20.
How severe is CVE-2020-6872?
Medium severity. CVSS v3 base score is 6.1 out of 10.