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CVE-2018-7942· NVD / CVE Program· CNA huawei

The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have an authentication bypass vulnerability.

The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have an authentication bypass vulnerability. An unauthenticated, remote attacker may send some specially crafted messages to the affected products. Due to improper authentication design, successful exploit may cause some information leak.

HighCVSS 7.5 · v3.0—No exploit No fix recorded
Published
May 24, 2018
Updated
Jun 16, 2026
EPSS
1.6% · 75th percentile
CWE
—
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

Affected systems

VendorProduct
huawei1288h v5 firmware
huawei1288h v5
huawei2288h v5 firmware
huawei2288h v5
huawei2488 v5 firmware
huawei2488 v5
huaweich242 v3 firmware
huaweich242 v3
huaweich121l v3 firmware
huaweich121l v3
huaweich121l v5 firmware
huaweich121l v5

and 2 more

Affected versions

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

  • huawei 1288h v5 firmware100r005c00
  • huawei 2288h v5 firmware100r005c00
  • huawei 2488 v5 firmware100r005c00
  • huawei ch121 v3 firmware100r001c00
  • huawei ch121l v3 firmware100r001c00
  • huawei ch121l v5 firmware100r001c00
  • huawei ch242 v3 firmware100r001c00

Versions reported by the vendor

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

  • Huawei Technologies Co., Ltd. 1288H V5; 2288H V5; 2488 V5; CH121 V3; CH121L V3; CH121L V5; CH121 V5; CH140 V3; CH140L V3; CH220 V3; CH222 V3; CH242 V3; CH242 V5; RH1288 V3; RH2288 V3; RH2288H V3; XH310 V3; XH321 V3; XH321 V5; XH62

    • 1288H V5 V100R005C00, 2288H V5 V100R005C00, 2488 V5 V100R005C00, CH121 V3 V100R001C00, CH121L V3 V100R001C00, CH121L V5 V100R001C00, CH121 V5 V100R001C00, CH140 V3 V100R001C00, CH140L V3 V100R001C00, CH220 V3 V100R001C00, CH222 V3 V100R001C00, CH242 V3 V100R001C00 … (+8)affected

Same product

huawei: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-7943There is an authentication bypass vulnerability in some Huawei servers.
    35Monitor
  • CVE-2018-7951The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have a JSON injection vulnerability due to insufficient input
    35Monitor
  • CVE-2018-7950The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have a JSON injection vulnerability due to insufficient input
    35Monitor
  • CVE-2018-7949The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have a privilege escalation vulnerability.
    35Monitor
  • CVE-2018-7904Huawei 1288H V5 and 288H V5 with software of V100R005C00 have a JSON injection vulnerability.
    35Monitor
  • CVE-2018-7903Huawei 1288H V5 and 288H V5 with software of V100R005C00 have a JSON injection vulnerability.
    35Monitor

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.

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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.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

Attack context

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

MITRE has no CAPEC/ATT&CK mapping for this CWE.

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.

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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.

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