High severity · published Nov 18, 2024
CVE-2024-42386
Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and produce a segmentation fault on the…
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and produce a segmentation fault on the application.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Mongoose · Cesanta
through 7.14 · source: NVD
In the news
VulnerabilityCritical
Siemens Reyrolle 7SR5
View CSAF
Summary
Siemens Reyrolle 7SR5 Before V2.70 is affected by multiple vulnerabilities. Siemens has released a new version for Reyrolle 7SR5 and recommends to update to the latest version.
The following versions of Siemens Reyrolle 7SR5 are affected:
Reyrolle 7SR5 vers:intdot/<2.70 (CVE-2024-42384, CVE-2024-42385, CVE-2024-42386, CVE-2024-42391, CVE-2024-42392, CVE-2026-62645, CVE-2026-62646, CVE-2026-62647, CVE-2026-62648, CVE-2026-62649, CVE-2026-62650, CVE-2026-62652, CVE-2026-62653, CVE-2026-62654)
CVSS
Vendor
Equipment
Vulnerabilities
v3 9.8
Siemens
Siemens Reyrolle 7SR5
Integer Overflow or Wraparound, Improper Neutralization of Delimiters, Use of Out-of-range Pointer Offset, Missing Authentication for Critical Function, Insufficient Entropy, Improper Input Validation, Out-of-bounds Write, Allocation of Resources Without Limits or Throttling, Authentication Bypass Using an Alternate Path or Channel, Insertion of Sensitive Information Into Debugging Code, Download of Code Without Integrity Check
Background
Critical Infrastructure Sectors: Energy
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Germany
Vulnerabilities
Expand All +
CVE-2024-42384
Integer Overflow or Wraparound vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and produce a segmentation fault on the application.
View CVE Details
...
Sep 15, 2026·CISA Advisories
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-42386
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-42386
Third Party Advisory
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2024-42386
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-142885.html
More from Mongoose
9.8
CVE-2026-5244
Cesanta Mongoose TLS 1.3 mongoose.c mg_tls_recv_cert heap-based overflow
9.8
CVE-2024-42383
Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows to write a NULL byte value beyond the memory space dedicated for the hostname field
9.8
CVE-2020-25756
A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking
9.8
CVE-2019-19307
An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by…
9.8
CVE-2019-12951
An issue was discovered in Mongoose before 6.15