9.8

CVE-2023-45199: trustedfirmware mbed_tls Classic Buffer Overflow

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2023-45199openSUSE-SU-2024:13321-1
Published 07-10-2023Last modified 19-09-2024

Vulnerability summary

CVE-2023-45199 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in trustedfirmware mbed_tls. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.27%
0%100%
Low · +0.21 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 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.27%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

+0.21 pp

From 1.06% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.27%

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

Opensuse1 product
  • mbedtls&distro=openSUSE Tumbleweed< 3.5.0-1.1
Trustedfirmware1 product
Ubuntu1 product
  • mbedtlsAll versions (No fix recorded)

3 vendors · 3 products

References

4 links