CVE-2018-20771 : An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX, 78XXi

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 unauthenticated Remote Command Execution.

Published 2019-02-10 17:29:00

Updated 2019-02-13 14:11:09

Source MITRE

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2018-20771

Xerox » Workcentre 3655 Firmware
Versions before (<) 073.060.048.15000
cpe:2.3:o:xerox:workcentre_3655_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 3655 » Version: N/A
Xerox » Workcentre 3655i Firmware
Versions before (<) 073.060.048.15000
cpe:2.3:o:xerox:workcentre_3655i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 3655i » Version: N/A
Xerox » Workcentre 5865 Firmware
Versions before (<) 073.190.048.15000
cpe:2.3:o:xerox:workcentre_5865_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5865 » Version: N/A
Xerox » Workcentre 5875 Firmware
Versions before (<) 073.190.048.15000
cpe:2.3:o:xerox:workcentre_5875_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5875 » Version: N/A
Xerox » Workcentre 5890 Firmware
Versions before (<) 073.190.048.15000
cpe:2.3:o:xerox:workcentre_5890_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5890 » Version: N/A
Xerox » Workcentre 5865i Firmware
Versions before (<) 073.190.048.15000
cpe:2.3:o:xerox:workcentre_5865i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5865i » Version: N/A
Xerox » Workcentre 5875i Firmware
Versions before (<) 073.190.048.15000
cpe:2.3:o:xerox:workcentre_5875i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5875i » Version: N/A
Xerox » Workcentre 5890i Firmware
Versions before (<) 073.190.048.15000
cpe:2.3:o:xerox:workcentre_5890i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5890i » Version: N/A
Xerox » Workcentre 6655 Firmware
Versions before (<) 073.110.048.15000
cpe:2.3:o:xerox:workcentre_6655_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 6655 » Version: N/A
Xerox » Workcentre 6655i Firmware
Versions before (<) 073.110.048.15000
cpe:2.3:o:xerox:workcentre_6655i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 6655i » Version: N/A
Xerox » Workcentre 7225i Firmware
Versions before (<) 073.030.048.15000
cpe:2.3:o:xerox:workcentre_7225i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7225i » Version: N/A
Xerox » Workcentre 7830 Firmware
Versions before (<) 073.010.048.15000
cpe:2.3:o:xerox:workcentre_7830_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7830 » Version: N/A
Xerox » Workcentre 7835 Firmware
Versions before (<) 073.010.048.15000
cpe:2.3:o:xerox:workcentre_7835_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7835 » Version: N/A
Xerox » Workcentre 7845 Firmware
Versions before (<) 073.040.048.15000
cpe:2.3:o:xerox:workcentre_7845_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7845 » Version: N/A
Xerox » Workcentre 7855 Firmware
Versions before (<) 073.040.048.15000
cpe:2.3:o:xerox:workcentre_7855_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7855 » Version: N/A
Xerox » Workcentre 7970 Firmware
Versions before (<) 073.200.048.15000
cpe:2.3:o:xerox:workcentre_7970_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7970 » Version: N/A
Xerox » Workcentre 7970i Firmware
Versions before (<) 073.200.048.15000
cpe:2.3:o:xerox:workcentre_7970i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7970i » Version: N/A
Xerox » Workcentre 7225 Firmware
Versions before (<) 073.030.048.15000
cpe:2.3:o:xerox:workcentre_7225_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7225 » Version: N/A
Xerox » Workcentre 7220 Firmware
Versions before (<) 073.030.048.15000
cpe:2.3:o:xerox:workcentre_7220_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7220 » Version: N/A
Xerox » Workcentre 5845 Firmware
Versions before (<) 073.190.048.15000
cpe:2.3:o:xerox:workcentre_5845_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5845 » Version: N/A
Xerox » Workcentre 5900 Firmware
Versions before (<) 073.091.048.15000
cpe:2.3:o:xerox:workcentre_5900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5900 » Version: N/A
Xerox » Workcentre 5900i Firmware
Versions before (<) 073.091.048.15000
cpe:2.3:o:xerox:workcentre_5900i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 5900i » Version: N/A
Xerox » Workcentre 7220i Firmware
Versions before (<) 073.030.048.15000
cpe:2.3:o:xerox:workcentre_7220i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7220i » Version: N/A
Xerox » Workcentre 7855i Firmware
Versions before (<) 073.040.048.15000
cpe:2.3:o:xerox:workcentre_7855i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7855i » Version: N/A
Xerox » Workcentre 7845i Firmware
Versions before (<) 073.040.048.15000
cpe:2.3:o:xerox:workcentre_7845i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7845i » Version: N/A
Xerox » Workcentre 7835i Firmware
Versions before (<) 073.010.048.15000
cpe:2.3:o:xerox:workcentre_7835i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7835i » Version: N/A
Xerox » Workcentre 7830i Firmware
Versions before (<) 073.010.048.15000
cpe:2.3:o:xerox:workcentre_7830i_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre 7830i » Version: N/A
Xerox » Workcentre Ec7836 Firmware
Versions before (<) 073.050.048.15000
cpe:2.3:o:xerox:workcentre_ec7836_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre Ec7836 » Version: N/A
Xerox » Workcentre Ec7856 Firmware
Versions before (<) 073.020.048.15000
cpe:2.3:o:xerox:workcentre_ec7856_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Xerox » Workcentre Ec7856 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2018-20771

EPSS FAQ

0.56%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 78 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-20771

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-20771

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-20771

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

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