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Vulnerability details: VCID-1s12-4sah-bfg8
Vulnerability ID VCID-1s12-4sah-bfg8
Aliases CVE-2018-0487
Summary ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.1372 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
epss 0.14329 https://api.first.org/data/v1/epss?cve=CVE-2018-0487
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-0487
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-0487
archlinux High https://security.archlinux.org/AVG-617
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-0487
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18187
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0487
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0488
https://security.gentoo.org/glsa/201804-19
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
https://www.debian.org/security/2018/dsa-4138
https://www.debian.org/security/2018/dsa-4147
http://www.securityfocus.com/bid/103056
890288 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890288
ASA-201802-15 https://security.archlinux.org/ASA-201802-15
AVG-617 https://security.archlinux.org/AVG-617
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2018-0487 https://nvd.nist.gov/vuln/detail/CVE-2018-0487
USN-4267-1 https://usn.ubuntu.com/4267-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-0487
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-0487
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.94019
EPSS Score 0.1372
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:38.303495+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.14/main.json 37.0.0