A flaw was found in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION", where sub-commands did not perform authorization checks. An authenticated attacker could use this flaw in certain configurations to perform drop objects such as function, triggers, et al., leading to database corruption. This issue affects PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17.
総合評価: CVE-2020-1720 は低リスク(35.5/100)。CVSS 深刻度は低。悪用される可能性が高い(EPSS 1.19%、64 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 | 0.35% | 1.19% | +0.84% |
| 2 | 2026-01-24 | 0.20% | 0.35% | +0.15% |
| 3 | 2025-03-30 | — | 0.20% | — |
EPSS の全履歴 (全 10 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 |
|---|---|---|---|---|---|---|
| 3.1 | 3.1 | LOW |
|
1.6 | 1.4 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2020-1720: 4 source package rows (postgresql, postgresql12, postgresql14, postgresql15); 30 state rows across 13 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.17-main, 3.18-community, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, edge-community, edge-main); fixed 19, open 11. | https://security.alpinelinux.org/vuln/CVE-2020-1720 |
gentoo
|
normal | CVE-2020-1720: 1 GLSA(s) (202003-03), 1 atom(s) (dev-db/postgresql); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-1720 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2020-1720 |
suse
|
medium | CVE-2020-1720 severity moderate: SUSE including 235 source package names (10.19:postgresql10-10.13-4.22.4, 10.19:postgresql10-server-10.13-4.22.4, …), 713 product×package rows across 76 product lines (Container suse/manager/5.0/x86_64/server, Container suse/multi-linux-manager/5.1/x86_64/server, … (76 product lines)): Fixed 672, Known Not Affected 41. | https://www.suse.com/security/cve/CVE-2020-1720/ |
ubuntu
|
medium | CVE-2020-1720 medium priority: Ubuntu including 6 source packages (postgresql-10, postgresql-11, postgresql-12, postgresql-9.1, postgresql-9.3, postgresql-9.5), 30 status rows across 5 suites (bionic, eoan, trusty, upstream, xenial): DNE 20, needs-triage 5, released 3, not-affected 2. | https://ubuntu.com/security/CVE-2020-1720 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| postgresql | postgresql | >= 9.6, < 9.6.17 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 10.0, < 10.12 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 11.0, < 11.7 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| postgresql | postgresql | >= 12.0, < 12.2 | cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
| redhat | decision_manager | 7.0 | cpe:2.3:a:redhat:decision_manager:7.0:*:*:*:*:*:*:* |
| redhat | software_collections | — | cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00043.html | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1720 | Issue Tracking Patch Third Party Advisory |
| https://www.postgresql.org/about/news/2011/ | Release Notes Vendor Advisory |