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CVE-2017-3765: lenovo group ltd. enterprise network operating system affecting lenovo and ibm rackswitch and bladecenter products Improper Authentication

CVSS: 7.0v3.0HighModified
Published 10-01-2018Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2017-3765 is a high (CVSS 7.0) Improper Authentication vulnerability in lenovo group ltd. enterprise network operating system affecting lenovo and ibm rackswitch and bladecenter products. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.9% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v3.0 (NVD)
EPSS score
0.27%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-01-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

In Enterprise Networking Operating System (ENOS) in Lenovo and IBM RackSwitch and BladeCenter products, an authentication bypass known as "HP Backdoor" was discovered during a Lenovo security audit in the serial console, Telnet, SSH, and Web interfaces. This bypass mechanism can be accessed when performing local authentication under specific circumstances. If exploited, admin-level access to the switch is granted.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

-0.02 pp

From 0.29% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.27%

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

Lenovo1 product
Lenovo group ltd.1 product

2 vendors · 2 products

References

2 links