A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
総合評価: CVE-2021-4213 は中リスク(52.9/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.15%、63 パーセンタイル) 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
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 | 0.20% | 1.15% | +0.95% |
| 2 | 2025-11-21 | 2.02% | 0.20% | -1.82% |
| 3 | 2025-11-18 | — | 2.02% | — |
EPSS の全履歴 (全 16 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2021-4213 not yet assigned priority: Debian including 1 source packages (jss), 4 status rows across 4 suites (bookworm, bullseye, forky, sid): resolved 3, open 1. | https://security-tracker.debian.org/tracker/CVE-2021-4213 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2021-4213 |
ubuntu
|
medium | CVE-2021-4213 medium priority: Ubuntu including 1 source packages (jss), 14 status rows across 14 suites (bionic, focal, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 7, needs-triage 7. | https://ubuntu.com/security/CVE-2021-4213 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| dogtagpki | network_security_services_for_java | < 4.9.3 | cpe:2.3:a:dogtagpki:network_security_services_for_java:*:*:*:*:*:*:*:* |
| dogtagpki | network_security_services_for_java | >= 5.0.0, < 5.1.0 | cpe:2.3:a:dogtagpki:network_security_services_for_java:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-4213 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2042900 | Issue Tracking Patch Third Party Advisory |
| https://github.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2 | Patch Third Party Advisory |
| https://github.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448 | Patch Third Party Advisory |
| https://security-tracker.debian.org/tracker/CVE-2021-4213 | Third Party Advisory |