CVE-2023-49550

HIGH
7.5
CVSS Score
Published: January 2, 2024 at 12:00 AM UTC
Updated: June 17, 2026 at 06:36 AM UTC
1 product affected across 1 vendormJS

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs+0x4ec508 component.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

ExploitIssue TrackingVendor Advisory
https://github.com/cesanta/mjs/issues/252

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-400

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