CVE-2018-20770
CVE-2018-20770 is a critical-severity vulnerability in Xerox Workcentre 3655i Firmware with a CVSS 3.x base score of 9.8. 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-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Xerox Workcentre 3655i Firmware
- Published:
- Last modified:
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 Blind SQL Injection.
Frequently asked questions
- What is CVE-2018-20770?
- 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 Blind SQL Injection.
- How severe is CVE-2018-20770?
- CVE-2018-20770 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-20770 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20770?
- CVE-2018-20770 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-2018-20770?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-20770 published?
- CVE-2018-20770 was published on 2019-02-10 and last updated on 2026-06-17.
References
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-2018-20768 — 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…
- CVE-2018-20767 — High (CVSS 8.8): An issue was discovered on Xerox WorkCentre 3655, 3655i, 58XX, 58XXi, 59XX, 59XXi, 6655, 6655i, 72XX, 72XXi, 78XX,…
- CVE-2020-36201 — High (CVSS 7.5): An issue was discovered in certain Xerox WorkCentre products. They do not properly encrypt passwords. This affects…
All CVEs affecting Xerox Workcentre 3655i Firmware →
Other CWE-89 (SQL Injection) vulnerabilities
- CVE-2026-54350 — Critical (CVSS 10.0): Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase…
- CVE-2026-8054 — Critical (CVSS 10.0): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in the Publish Audit API endpoints…
- CVE-2026-42287 — Critical (CVSS 10.0): Emlog is an open source website building system. Prior to version 2.6.11, direct SQL injection in article creation and…
- CVE-2026-3325 — Critical (CVSS 10.0): SQL injection (SQLi) in MegaCMS v12.0.0, specifically in the “id_territorio” parameter of the…
- CVE-2025-10878 — Critical (CVSS 10.0): A SQL injection vulnerability exists in the login functionality of Fikir Odalari AdminPando 1.0.1 before 2026-01-26.…
- CVE-2025-57792 — Critical (CVSS 10.0): Explorance Blue versions prior to 8.14.9 contain a SQL injection vulnerability caused by insufficient validation of…