CVE & CISA-KEV Catalog

CVE-2018-20768

CRITICAL

9.8

CVSS v3

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. An attacker can execute PHP code by leveraging a writable file.

CWE-94Code Injection

How to fix

Remediation Available

workcentre 3655 firmwareNVD

Affected:< 073.060.048.15000Fixed in:073.060.048.15000CVE-2018-20768derived from NVD

workcentre 3655i firmwareNVD

Affected:< 073.060.048.15000Fixed in:073.060.048.15000CVE-2018-20768derived from NVD

workcentre 5845 firmwareNVD

Affected:< 073.190.048.15000Fixed in:073.190.048.15000CVE-2018-20768derived from NVD

workcentre 5865 firmwareNVD

Affected:< 073.190.048.15000Fixed in:073.190.048.15000CVE-2018-20768derived from NVD

workcentre 5865i firmwareNVD

Affected:< 073.190.048.15000Fixed in:073.190.048.15000CVE-2018-20768derived from NVD

workcentre 5875 firmwareNVD

Affected:< 073.190.048.15000Fixed in:073.190.048.15000CVE-2018-20768derived from NVD

workcentre 5875i firmwareNVD

Affected:< 073.190.048.15000Fixed in:073.190.048.15000CVE-2018-20768derived from NVD

workcentre 5890 firmwareNVD

Affected:< 073.190.048.15000Fixed in:073.190.048.15000CVE-2018-20768derived from NVD

workcentre 5890i firmwareNVD

Affected:< 073.190.048.15000Fixed in:073.190.048.15000CVE-2018-20768derived from NVD

workcentre 5900 firmwareNVD

Affected:< 073.091.048.15000Fixed in:073.091.048.15000CVE-2018-20768derived from NVD

workcentre 5900i firmwareNVD

Affected:< 073.091.048.15000Fixed in:073.091.048.15000CVE-2018-20768derived from NVD

workcentre 6655 firmwareNVD

Affected:< 073.110.048.15000Fixed in:073.110.048.15000CVE-2018-20768derived from NVD

workcentre 6655i firmwareNVD

Affected:< 073.110.048.15000Fixed in:073.110.048.15000CVE-2018-20768derived from NVD

workcentre 7220 firmwareNVD

Affected:< 073.030.048.15000Fixed in:073.030.048.15000CVE-2018-20768derived from NVD

workcentre 7220i firmwareNVD

Affected:< 073.030.048.15000Fixed in:073.030.048.15000CVE-2018-20768derived from NVD

workcentre 7225 firmwareNVD

Affected:< 073.030.048.15000Fixed in:073.030.048.15000CVE-2018-20768derived from NVD

workcentre 7225i firmwareNVD

Affected:< 073.030.048.15000Fixed in:073.030.048.15000CVE-2018-20768derived from NVD

workcentre 7830 firmwareNVD

Affected:< 073.010.048.15000Fixed in:073.010.048.15000CVE-2018-20768derived from NVD

workcentre 7830i firmwareNVD

Affected:< 073.010.048.15000Fixed in:073.010.048.15000CVE-2018-20768derived from NVD

workcentre 7835 firmwareNVD

Affected:< 073.010.048.15000Fixed in:073.010.048.15000CVE-2018-20768derived from NVD

workcentre 7835i firmwareNVD

Affected:< 073.010.048.15000Fixed in:073.010.048.15000CVE-2018-20768derived from NVD

workcentre 7845 firmwareNVD

Affected:< 073.040.048.15000Fixed in:073.040.048.15000CVE-2018-20768derived from NVD

workcentre 7845i firmwareNVD

Affected:< 073.040.048.15000Fixed in:073.040.048.15000CVE-2018-20768derived from NVD

workcentre 7855 firmwareNVD

Affected:< 073.040.048.15000Fixed in:073.040.048.15000CVE-2018-20768derived from NVD

workcentre 7855i firmwareNVD

Affected:< 073.040.048.15000Fixed in:073.040.048.15000CVE-2018-20768derived from NVD

workcentre 7970 firmwareNVD

Affected:< 073.200.048.15000Fixed in:073.200.048.15000CVE-2018-20768derived from NVD

workcentre 7970i firmwareNVD

Affected:< 073.200.048.15000Fixed in:073.200.048.15000CVE-2018-20768derived from NVD

workcentre ec7836 firmwareNVD

Affected:< 073.050.048.15000Fixed in:073.050.048.15000CVE-2018-20768derived from NVD

workcentre ec7856 firmwareNVD

Affected:< 073.020.048.15000Fixed in:073.020.048.15000CVE-2018-20768derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.23%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Patch1

securitydocs.business.xerox.com

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.