What is CVE-2018-20503?

CVE-2018-20503 is a medium-severity vulnerability in Alliedtelesis 8100l\/8, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-07.

How severe is CVE-2018-20503?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2018-20503 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Alliedtelesis 8100l\/8

CVE-2018-20503

Allied Telesis 8100L/8 devices allow XSS via the edit-ipv4_interface.php vlanid or subnet_mask parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.039 (89.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20503?: CVE-2018-20503 is a medium-severity vulnerability in Alliedtelesis 8100l\/8, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-07.
How severe is CVE-2018-20503?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2018-20503 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.