CVE-2021-34711
| Summary |
A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attacker to read any file on the device file system.
|
| Publication Date |
Oct. 7, 2021, 5:15 a.m. |
| Registration Date |
Oct. 7, 2021, 10 a.m. |
| Last Update |
Nov. 21, 2024, 3:11 p.m. |
|
CVSS3.1 : MEDIUM
|
| スコア |
5.5
|
| Vector |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| 攻撃元区分(AV) |
ローカル |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
低 |
| 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) |
高 |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
なし |
|
CVSS2.0 : LOW
|
| Score |
2.1
|
| Vector |
AV:L/AC:L/Au:N/C:P/I:N/A:N |
| 攻撃元区分(AV) |
ローカル |
| 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) |
低 |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
なし |
| 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:cisco:ip_conference_phone_7832_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_conference_phone_7832:-:*:*:*:*:*:*:* |
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_conference_phone_8832_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_conference_phone_8832:-:*:*:*:*:*:*:* |
| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_7811_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_7811:-:*:*:*:*:*:*:* |
| Configuration4 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_7821_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_7821:-:*:*:*:*:*:*:* |
| Configuration5 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_7832_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_7832:-:*:*:*:*:*:*:* |
| Configuration6 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_7841_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_7841:-:*:*:*:*:*:*:* |
| Configuration7 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_7861_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_7861:-:*:*:*:*:*:*:* |
| Configuration8 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_8811_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_8811:-:*:*:*:*:*:*:* |
| Configuration9 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_8831_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_8831:-:*:*:*:*:*:*:* |
| Configuration10 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phones_8832_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phones_8832:-:*:*:*:*:*:*:* |
| Configuration11 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_8841_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_8841:-:*:*:*:*:*:*:* |
| Configuration12 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_8845_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_8845:-:*:*:*:*:*:*:* |
| Configuration13 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_8851_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_8851:-:*:*:*:*:*:*:* |
| Configuration14 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_8861:-:*:*:*:*:*:*:* |
| Configuration15 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:* |
|
|
|
14.1\(1\) |
| execution environment |
| 1 |
cpe:2.3:h:cisco:ip_phone_8865:-:*:*:*:*:*:*:* |
| Configuration16 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:cisco:wireless_ip_phone_8821_firmware:*:*:*:*:*:*:*:* |
|
|
|
11.0\(6\)sr2 |
| execution environment |
| 1 |
cpe:2.3:h:cisco:wireless_ip_phone_8821:-:*:*:*:*:*:*:* |
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
Cisco IP Phone ソフトウェアにおけるパストラバーサルの脆弱性
| Title |
Cisco IP Phone ソフトウェアにおけるパストラバーサルの脆弱性
|
| Summary |
Cisco IP Phone ソフトウェアには、パストラバーサルの脆弱性が存在します。
|
| Possible impacts |
情報を取得される可能性があります。 |
| Solution |
ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date |
Oct. 6, 2021, midnight |
| Registration Date |
Sept. 8, 2022, 3:04 p.m. |
| Last Update |
Sept. 8, 2022, 3:04 p.m. |
Affected System
| シスコシステムズ |
|
Cisco IP Conference Phone 7832 ファームウェア
|
|
Cisco IP Conference Phone 8832 ファームウェア
|
|
IP Phone 7811 ファームウェア
|
|
IP Phone 7821 ファームウェア
|
|
IP Phone 7832 ファームウェア
|
|
IP Phone 7841 ファームウェア
|
|
IP Phone 7861 ファームウェア
|
|
IP Phone 8811 ファームウェア
|
|
IP Phone 8831 ファームウェア
|
|
IP Phone 8832 ファームウェア
|
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2022年09月08日] 掲載 |
Sept. 8, 2022, 3:04 p.m. |