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Fencer Vulns
medium 4.7

CVE-2018-19608 json

Arm Mbed TLS before 2.14.1, before 2.7.8, and before 2.1.17 allows a local unprivileged attacker to recover the plaintext of RSA decryption…

published 2018-12-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11296

cvss
4.7
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits
0
none known

Summary

Arm Mbed TLS before 2.14.1, before 2.7.8, and before 2.1.17 allows a local unprivileged attacker to recover the plaintext of RSA decryption, which is used in RSA-without-(EC)DH(E) cipher suites.

Patch / fix

  • arm mbed_tls 2.1.17, 2.7.8
  • trustedfirmware mbed_tls 2.14.1
  • mbedtls Debian 14, Debian 13, Debian 12 2.14.1-1

debian advisories DEBIAN-CVE-2018-19608

  • mbedtls-3 openSUSE Tumbleweed 3.6.6-1.1
  • mbedtls-2 openSUSE Tumbleweed 2.27.0-1.2

opensuse advisories openSUSE-SU-2026:11119-1openSUSE-SU-2024:11043-1

  • mbedtls Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 2.14.1-r0
  • mbedtls2 Alpine 3.24, Alpine 3.23, Alpine 3.22 +2 more 2.14.1-r0
  • mbedtls3 Alpine 3.24 2.14.1-r0

alpine advisories ALPINE-CVE-2018-19608

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-19608 updated cvss 6.2

mbedtls: Local timing attack on RSA decryption

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 4.7 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 1.9 AV:L/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.