CVE-2021-20598
| Summary |
Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.
|
| Publication Date |
Aug. 7, 2021, 2:15 a.m. |
| Registration Date |
Aug. 7, 2021, 10 a.m. |
| Last Update |
Nov. 21, 2024, 2:46 p.m. |
|
CVSS3.1 : MEDIUM
|
| スコア |
5.3
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
低 |
|
CVSS2.0 : MEDIUM
|
| Score |
5.0
|
| Vector |
AV:N/AC:L/Au:N/C:N/I:N/A:P |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃前の認証要否(Au) |
不要 |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
低 |
| Get all privileges. |
いいえ
|
| Get user privileges |
いいえ
|
| Get other privileges |
いいえ
|
| User operation required |
いいえ
|
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:*:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:mitsubishielectric:r08sfcpu:-:*:*:*:*:*:*:* |
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:*:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:mitsubishielectric:r16sfcpu:-:*:*:*:*:*:*:* |
| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:*:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:mitsubishielectric:r32sfcpu:-:*:*:*:*:*:*:* |
| Configuration4 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:*:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:mitsubishielectric:r120sfcpu:-:*:*:*:*:*:*:* |
| Configuration5 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:* |
| Configuration6 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:* |
| Configuration7 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:* |
| Configuration8 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:* |
Related information, measures and tools
Common Vulnerabilities List