How severe is CVE-2018-20767?

CVE-2018-20767 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-2018-20767 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20767?

CVE-2018-20767 primarily affects Xerox Workcentre 3655i Firmware. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-20767?

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-2018-20767 published?

CVE-2018-20767 was published on 2019-02-10 and last updated on 2026-06-17.

CVE-2018-20767

CVE-2018-20767 is a high-severity vulnerability in Xerox Workcentre 3655i 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Xerox Workcentre 3655i Firmware
Published: 2019-02-10
Last modified: 2026-06-17

Description

An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, 7970i, EC7836, and EC7856 devices before R18-05 073.xxx.0487.15000. There is authenticated remote command execution.

Frequently asked questions

What is CVE-2018-20767?: An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, 7970i, EC7836, and EC7856 devices before R18-05 073.xxx.0487.15000. There is authenticated remote command execution.
How severe is CVE-2018-20767?: CVE-2018-20767 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-2018-20767 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20767?: CVE-2018-20767 primarily affects Xerox Workcentre 3655i Firmware. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-20767?: 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-2018-20767 published?: CVE-2018-20767 was published on 2019-02-10 and last updated on 2026-06-17.

References

https://securitydocs.business.xerox.com/wp-content/uploads/2018/07/cert_Security_Mini_Bulletin_XRX18Y_for_ConnectKey_EC78xx_v1.0.pdf

Affected products (29)

cpe:2.3:o:xerox:workcentre_3655i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_3655_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5890i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5865i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5875i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5845_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5865_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5875_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5890_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_5900i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_6655_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_6655i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7855_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7225_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7220_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7220i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7225i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7855i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7845i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7835i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7830i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7830_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7835_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7845_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7970_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_7970i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_ec7836_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:workcentre_ec7856_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Xerox Workcentre 3655i Firmware

CVE-2016-11061 — Critical (CVSS 9.8): Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi, 7970, and 7970i devices…
CVE-2018-20771 — Critical (CVSS 9.8): An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX,…
CVE-2018-20770 — Critical (CVSS 9.8): An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX,…
CVE-2018-20768 — Critical (CVSS 9.8): An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX,…
CVE-2020-9330 — High (CVSS 8.8): Certain Xerox WorkCentre printers before 073.xxx.000.02300 do not require the user to reenter or validate LDAP bind…
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