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CVE-2018-9077· NVD / CVE Program· CNA lenovo

Iomega and LenovoEMC NAS Web UI Vulnerabilities

For some Iomega, Lenovo, LenovoEMC NAS devices versions 4.1.402.34662 and earlier, when changing the name of a share, an attacker can craft a command injection payload using backtick "``" characters in the share : name parameter. As a result, arbitrary commands may be executed as the root user. The attack requires a value __c and iomega parameter.

HighCVSS 8.1 · v3.0—No exploit No fix recorded
Published
Sep 28, 2018
Updated
Jun 16, 2026
EPSS
1.6% · 75th percentile
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Report tools

JSON

Action score

32

Monitor

Low priority for now.

CVSS
32 / 40 · 8.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

Affected systems

VendorProduct
lenovolenovoemc firmware
lenovoiomega ez media \& backup center
lenovoiomega storcenter ix2
lenovoiomega storcenter ix2-dl
lenovoiomega storcenter ix4-300d
lenovoiomega storcenter px12-400r
lenovoiomega storcenter px12-450r
lenovoiomega storcenter px2-300d
lenovoiomega storcenter px4-300d
lenovoiomega storcenter px4-300r
lenovoiomega storcenter px6-300d
lenovolenovo ez media \& backup center

and 10 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • lenovo lenovoemc firmwareup to 4.1.402.34662 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (lenovo). Independent of NVD's CPE analysis and usually ahead of it.

  • Lenovo Group LTD EZ Media and Backup Center

    • 4.1.402.34662 and later · up to and including 4.1.402.34662affected

  • Lenovo Group LTD Iomega StorCenter

    • 4.1.402.34662 and later · up to and including 4.1.402.34662affected

  • Lenovo Group LTD LenovoEMC

    • 4.1.402.34662 and later · up to and including 4.1.402.34662affected

Same product

lenovo: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-9075Iomega and LenovoEMC NAS Web UI Vulnerabilities
    33Monitor
  • CVE-2018-9076Iomega and LenovoEMC NAS Web UI Vulnerabilities
    32Monitor
  • CVE-2018-9074Iomega and LenovoEMC NAS Web UI Vulnerabilities
    26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

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

nvd-primary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const host = req.body.host;exec("ping -c 1 " + host, onResult);

Fixed

ts
const host = req.body.host;if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records