7.8

CVE-2017-17668: ncr s1_dispenser_controller_firmware Incorrect Authorization

CVSS: 7.8v2.0HighModified
Published 20-03-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-17668 is a high (CVSS 7.8) Incorrect Authorization vulnerability in ncr s1_dispenser_controller_firmware. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
1.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-03-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Memory write mechanism in NCR S1 Dispenser controller before firmware version 0x0156 allows an unauthenticated user to upgrade or downgrade the firmware of the device, including to older versions with known vulnerabilities.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.15%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ncr1 product

1 vendor · 1 product

References

1 links