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CVE-2023-37540· NVD / CVE Program· CNA HCL

HCL Sametime Chat is affected by an unimplemented feature in the UI

Sametime Connect desktop chat client includes, but does not use or require, the use of an Eclipse feature called Secure Storage. Using this Eclipse feature to store sensitive data can lead to exposure of that data.

LowCVSS 3.9 · v3.1—No exploit No fix recorded
Published
Feb 23, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 6th percentile
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Action score

15

Monitor

Low priority for now.

CVSS
15 / 40 · 3.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · HCL
3.9
NVD has not scored this yet; the score shown is the CNA’s.

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

Affected systems

VendorProduct
hcltechsametime

Affected versions

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

  • hcltech sametime11.5 and later · before 12.0.2

Versions reported by the vendor

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

  • HCL Software HCL Sametime Chat

    • 11.5, 11.6, 11.6 IF1, 12.0, 12.0 FP1, 12.0.1, 12.0.1 FP1affected

Same product

hcltech: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-50349HCL Sametime is impacted by a Cross Site Request Forgery (CSRF) vulnerability
    35Monitor
  • CVE-2021-27770HCL Sametime is vulnerable to arbitrary HTTP requests
    35Monitor
  • CVE-2023-45696HCL Sametime is impacted by an autocomplete enabled vulnerability
    30Monitor
  • CVE-2023-45718HCL Sametime is impacted by a failure to invalidate sessions
    30Monitor
  • CVE-2021-27771HCL Sametime is susceptible a file transfer service vulnerability
    30Monitor
  • CVE-2022-42446HCL Sametime 12.0 and 12.0FP1 anonymous users have directory lookup access
    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.

  • CVE-2024-30122243 days apartHCL Sametime is impacted by misconfigured security related HTTP headers
    21Monitor

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

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-922 · Insecure Storage of Sensitive Information

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

nvd-secondary

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.

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