How severe is CVE-2019-18203?

CVE-2019-18203 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-18203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18203?

CVE-2019-18203 affects Ricoh Mp 501 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-18203 published?

CVE-2019-18203 was published on 2019-10-21 and last updated on 2026-06-17.

CVE-2019-18203

CVE-2019-18203 is a medium-severity vulnerability in Ricoh Mp 501 Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ricoh Mp 501 Firmware
Published: 2019-10-21
Last modified: 2026-06-17

Description

On the RICOH MP 501 printer, HTML Injection and Stored XSS vulnerabilities have been discovered in the area of adding addresses via the entryNameIn and KeyDisplay parameter to /web/entry/en/address/adrsSetUserWizard.cgi.

Frequently asked questions

What is CVE-2019-18203?: On the RICOH MP 501 printer, HTML Injection and Stored XSS vulnerabilities have been discovered in the area of adding addresses via the entryNameIn and KeyDisplay parameter to /web/entry/en/address/adrsSetUserWizard.cgi.
How severe is CVE-2019-18203?: CVE-2019-18203 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-18203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18203?: CVE-2019-18203 affects Ricoh Mp 501 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-18203 published?: CVE-2019-18203 was published on 2019-10-21 and last updated on 2026-06-17.

References

https://medium.com/zero2flag/cve-2019-18203-bfa65918e591

Affected products (1)

cpe:2.3:o:ricoh:mp_501_firmware:-:*:*:*:*:*:*:*

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