7.5

CVE-2023-43615: arm mbed_tls Classic Buffer Overflow

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2023-43615UBUNTU-CVE-2023-43615DEBIAN-CVE-2023-43615
Published 07-10-2023Last modified 19-09-2024
Open JSON

Vulnerability summary

CVE-2023-43615 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in arm mbed_tls. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.95%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-10-2023
    PublishedVulnerability first disclosed.
  2. 19-09-2024
    Last modifiedVulnerability information updated.

Description

Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.95%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

+0.16 pp

From 0.79% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.95%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • mbedtls< 2.28.5-r0
Arm1 product
Debian1 product
  • mbedtlsAll versions (No fix recorded) | < 2.28.5-1
Fedoraproject1 product
Trustedfirmware1 product
Ubuntu1 product
  • mbedtlsAll versions (No fix recorded)

6 vendors · 6 products

References

8 links