An out-of-bounds read vulnerability was found in OpenSC packages within the MyEID driver when handling symmetric key encryption. Exploiting this flaw requires an attacker to have physical access to the computer and a specially crafted USB device or smart card. This flaw allows the attacker to manipulate APDU responses and potentially gain unauthorized access to sensitive data, compromising the system's security.
総合評価: CVE-2023-4535 は低リスク（31/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.47%、37 パーセンタイル） 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.23% | 0.47% | +0.24% |
| 2 | 2026-01-20 | 0.26% | 0.23% | -0.03% |
| 3 | 2026-01-15 | — | 0.26% | — |
EPSS の全履歴 （全 12 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 4.5 | 3.1 | MEDIUM |
|
0.4 | 3.7 | [email protected] |
| 3.8 | 3.1 | LOW |
|
0.4 | 3.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-4535: 1 source package rows (opensc); 12 state rows across 6 repos (3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 5, open 7. | https://security.alpinelinux.org/vuln/CVE-2023-4535 |
debian
|
unimportant | CVE-2023-4535 unimportant priority: Debian including 1 source packages (opensc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-4535 |
gentoo
|
normal | CVE-2023-4535: 1 GLSA(s) (202412-15), 1 atom(s) (dev-libs/opensc); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-4535 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2023-4535 |
suse
|
medium | CVE-2023-4535 severity moderate: SUSE including 6 source package names (opensc, opensc-0.23.0-3.1, opensc-0.23.0-3.el9_3, opensc-0.24.0-2.1, opensc-0.24.0-slfo.1.1_1.2, opensc-0.26.1-160000.2.2), 41 product×package rows across 41 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7.1, … (41 product lines)): Known Not Affected 36, Fixed 5. | https://www.suse.com/security/cve/CVE-2023-4535/ |
ubuntu
|
medium | CVE-2023-4535 medium priority: Ubuntu including 1 source packages (opensc), 10 status rows across 10 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, trusty, upstream, xenial): not-affected 6, ignored 3, released 1. | https://ubuntu.com/security/CVE-2023-4535 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| opensc_project | opensc | 0.23.0 | cpe:2.3:a:opensc_project:opensc:0.23.0:-:*:*:*:*:*:* |
| opensc_project | opensc | 0.23.0 | cpe:2.3:a:opensc_project:opensc:0.23.0:rc1:*:*:*:*:*:* |
| opensc_project | opensc | 0.23.0 | cpe:2.3:a:opensc_project:opensc:0.23.0:rc2:*:*:*:*:*:* |
| fedoraproject | fedora | 38 | cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* |
| fedoraproject | fedora | 39 | cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 9.0 | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |