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CVE-2023-25948· NVD / CVE Program· CNA Honeywell

Server Data type confusion - info leak

Server information leak of configuration data when an error is generated in response to a specially crafted message. See Honeywell Security Notification for recommendations on upgrading and versioning.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
Jul 13, 2023
Updated
Jun 17, 2026
EPSS
0.6% · 45th percentile
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Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
7.5
CNA · Honeywell
7.5
agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
honeywellexperion server
honeywellexperion station
honeywellengineering station
honeywelldirect station

Affected versions

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

  • honeywell direct station520.1 and later · up to 520.1tcu4 inclusive
  • honeywell direct station510.1 and later · up to 511.tcu3 inclusive
  • honeywell direct station520.2 and later · up to 520.2tcu2 inclusive
  • honeywell engineering station520.2 and later · up to 520.2tcu2 inclusive
  • honeywell engineering station520.1 and later · up to 520.1tcu4 inclusive
  • honeywell engineering station510.1 and later · up to 511.tcu3 inclusive
  • honeywell experion server501.1 and later · up to 501.6hf8 inclusive
  • honeywell experion server510.1 and later · up to 510.2hf12 inclusive
  • honeywell experion server511.1 and later · up to 511.5tcu3 inclusive
  • honeywell experion server520.1 and later · up to 520.1tcu4 inclusive
  • honeywell experion server520.2 and later · up to 520.2tcu2 inclusive
  • honeywell experion station520.2 and later · up to 520.2tcu2 inclusive
  • honeywell experion station520.1 and later · up to 520.1tcu4 inclusive
  • honeywell experion station511.1 and later · up to 511.5tcu3 inclusive
  • honeywell experion station510.1 and later · up to 510.2hf12 inclusive
  • honeywell experion station501.1 and later · up to 501.6hf8 inclusive

Versions reported by the vendor

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

  • Honeywell Direct Station

    • 510.5 and later · up to and including 511.5TCU3affected · semver
    • 520.1 and later · up to and including 520.1TCU4affected · semver
    • 520.2 and later · up to and including 520.2TCU2affected · semver
  • Honeywell Engineering Station

    • 510.1 and later · up to and including 511.5TCU3affected · semver
    • 520.1 and later · up to and including 520.1TCU4affected · semver
    • 520.2 and later · up to and including 520.2TCU2affected · semver
  • Honeywell Experion Server

    • 501.1 and later · up to and including 501.6HF8affected · semver
    • 510.1 and later · up to and including 510.2HF12affected · semver
    • 511.1 and later · up to and including 511.5TCU3affected · semver
    • 520.1 and later · up to and including 520.1TCU4affected · semver
    • 520.2 and later · up to and including 520.2TCU2affected · semver
  • Honeywell Experion Station

    • 501.1 and later · up to and including 501.6HF8affected · semver
    • 510.1 and later · up to and including 510.2HF12affected · semver
    • 511.1 and later · up to and including 511.5TCU3affected · semver
    • 520.1 and later · up to and including 520.1TCU4affected · semver
    • 520.2 and later · up to and including 520.2TCU2affected · semver

Other highest-scoring records for the same primary product.

  • CVE-2023-5404Server receiving a malformed message can cause a pointer to be overwritten which can result in a remote code execution or failure.
    32Monitor
  • CVE-2023-5403Server hostname translation to IP address manipulation which could lead to an attacker performing remote code execution or causing a failure
    32Monitor
  • CVE-2023-5401Server receiving a malformed message based on a using the specified key values can cause a stack overflow vulnerability which could lead to
    32Monitor
  • CVE-2023-5400Server receiving a malformed message based on a using the specified key values can cause a heap overflow vulnerability which could lead to a
    32Monitor
  • CVE-2023-5397Server receiving a malformed message to create a new connection could lead to an attacker performing remote code execution or causing a fail
    32Monitor
  • CVE-2023-5395Server receiving a malformed message that uses the hostname in an internal table may cause a stack overflow resulting in possible remote cod
    32Monitor

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.

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.
  • 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

CVSS vector

CVSS:3.1/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.

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