The bgp_capability_orf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) by leveraging a BGP peering relationship and sending a malformed Outbound Route Filtering (ORF) capability TLV in an OPEN message.
総合評価: CVE-2012-1820 は低リスク（24.5/100）。CVSS 深刻度は低。悪用される可能性が高い（EPSS 0.18%、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 | 2025-03-30 | 0.32% | 0.18% | -0.14% |
| 2 | 2025-03-29 | 0.22% | 0.32% | +0.10% |
| 3 | 2025-03-17 | — | 0.22% | — |
EPSS の全履歴 （全 6 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 |
|---|---|---|---|---|---|---|
| 2.9 | 2.0 | LOW |
|
5.5 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2012-1820: 1 GLSA(s) (201310-08), 1 atom(s) (net-misc/quagga); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-1820 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2012-1820 |
ubuntu
|
medium | CVE-2012-1820 medium priority: Ubuntu including 1 source packages (quagga), 6 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): released 4, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2012-1820 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| quagga | quagga | <= 0.99.20.1 | cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:* |
| quagga | quagga | 0.95 | cpe:2.3:a:quagga:quagga:0.95:*:*:*:*:*:*:* |
| quagga | quagga | 0.96 | cpe:2.3:a:quagga:quagga:0.96:*:*:*:*:*:*:* |
| quagga | quagga | 0.96.1 | cpe:2.3:a:quagga:quagga:0.96.1:*:*:*:*:*:*:* |
| quagga | quagga | 0.96.2 | cpe:2.3:a:quagga:quagga:0.96.2:*:*:*:*:*:*:* |
| quagga | quagga | 0.96.3 | cpe:2.3:a:quagga:quagga:0.96.3:*:*:*:*:*:*:* |
| quagga | quagga | 0.96.4 | cpe:2.3:a:quagga:quagga:0.96.4:*:*:*:*:*:*:* |
| quagga | quagga | 0.96.5 | cpe:2.3:a:quagga:quagga:0.96.5:*:*:*:*:*:*:* |
| quagga | quagga | 0.97.0 | cpe:2.3:a:quagga:quagga:0.97.0:*:*:*:*:*:*:* |
| quagga | quagga | 0.97.1 | cpe:2.3:a:quagga:quagga:0.97.1:*:*:*:*:*:*:* |
| quagga | quagga | 0.97.2 | cpe:2.3:a:quagga:quagga:0.97.2:*:*:*:*:*:*:* |
| quagga | quagga | 0.97.3 | cpe:2.3:a:quagga:quagga:0.97.3:*:*:*:*:*:*:* |
| quagga | quagga | 0.97.4 | cpe:2.3:a:quagga:quagga:0.97.4:*:*:*:*:*:*:* |
| quagga | quagga | 0.97.5 | cpe:2.3:a:quagga:quagga:0.97.5:*:*:*:*:*:*:* |
| quagga | quagga | 0.98.0 | cpe:2.3:a:quagga:quagga:0.98.0:*:*:*:*:*:*:* |
| quagga | quagga | 0.98.1 | cpe:2.3:a:quagga:quagga:0.98.1:*:*:*:*:*:*:* |
| quagga | quagga | 0.98.2 | cpe:2.3:a:quagga:quagga:0.98.2:*:*:*:*:*:*:* |
| quagga | quagga | 0.98.3 | cpe:2.3:a:quagga:quagga:0.98.3:*:*:*:*:*:*:* |
| quagga | quagga | 0.98.4 | cpe:2.3:a:quagga:quagga:0.98.4:*:*:*:*:*:*:* |
| quagga | quagga | 0.98.5 | cpe:2.3:a:quagga:quagga:0.98.5:*:*:*:*:*:*:* |
| quagga | quagga | 0.98.6 | cpe:2.3:a:quagga:quagga:0.98.6:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.1 | cpe:2.3:a:quagga:quagga:0.99.1:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.2 | cpe:2.3:a:quagga:quagga:0.99.2:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.3 | cpe:2.3:a:quagga:quagga:0.99.3:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.4 | cpe:2.3:a:quagga:quagga:0.99.4:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.5 | cpe:2.3:a:quagga:quagga:0.99.5:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.6 | cpe:2.3:a:quagga:quagga:0.99.6:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.7 | cpe:2.3:a:quagga:quagga:0.99.7:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.8 | cpe:2.3:a:quagga:quagga:0.99.8:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.9 | cpe:2.3:a:quagga:quagga:0.99.9:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.10 | cpe:2.3:a:quagga:quagga:0.99.10:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.11 | cpe:2.3:a:quagga:quagga:0.99.11:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.12 | cpe:2.3:a:quagga:quagga:0.99.12:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.13 | cpe:2.3:a:quagga:quagga:0.99.13:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.14 | cpe:2.3:a:quagga:quagga:0.99.14:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.15 | cpe:2.3:a:quagga:quagga:0.99.15:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.16 | cpe:2.3:a:quagga:quagga:0.99.16:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.17 | cpe:2.3:a:quagga:quagga:0.99.17:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.18 | cpe:2.3:a:quagga:quagga:0.99.18:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.19 | cpe:2.3:a:quagga:quagga:0.99.19:*:*:*:*:*:*:* |
| quagga | quagga | 0.99.20 | cpe:2.3:a:quagga:quagga:0.99.20:*:*:*:*:*:*:* |