NVD Vulnerability Detail

CVE-2021-1529

Summary	A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation by the system CLI. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.
Publication Date	Oct. 21, 2021, 12:15 p.m.
Registration Date	Oct. 21, 2021, 4 p.m.
Last Update	Nov. 21, 2024, 2:44 p.m.

CVSS3.1 : HIGH
スコア	7.8
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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)	高
可用性への影響(A)	高

CVSS2.0 : MEDIUM
Score	6.9
Vector	AV:L/AC:M/Au:N/C:C/I:C/A:C
攻撃元区分(AV)	ローカル
攻撃条件の複雑さ(AC)	中
攻撃前の認証要否(Au)	不要
機密性への影響(C)	高
完全性への影響(I)	高
可用性への影響(A)	高
Get all privileges.	はい
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:ios_xe::::::::		16.12	17.0
cpe:2.3:o:cisco:ios_xe::::::::		17.2			17.2.3
cpe:2.3:o:cisco:ios_xe::::::::		17.3			17.3.4
cpe:2.3:o:cisco:ios_xe::::::::		17.4			17.4.2
cpe:2.3:o:cisco:ios_xe::::::::		17.5			17.5.1a
cpe:2.3:o:cisco:ios_xe:17.6.0:::::::*
execution environment
1	cpe:2.3:h:cisco:1000_integrated_services_router:-:::::::*
2	cpe:2.3:h:cisco:1100-4g\/6g_integrated_services_router:-:::::::*
3	cpe:2.3:h:cisco:1100-4p_integrated_services_router:-:::::::*
4	cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:::::::*
5	cpe:2.3:h:cisco:1100_integrated_services_router:-:::::::*
6	cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:::::::*
7	cpe:2.3:h:cisco:1101_integrated_services_router:-:::::::*
8	cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:::::::*
9	cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:::::::*
10	cpe:2.3:h:cisco:1109_integrated_services_router:-:::::::*
11	cpe:2.3:h:cisco:1111x-8p_integrated_services_router:-:::::::*
12	cpe:2.3:h:cisco:1111x_integrated_services_router:-:::::::*
13	cpe:2.3:h:cisco:111x_integrated_services_router:-:::::::*
14	cpe:2.3:h:cisco:1120_integrated_services_router:-:::::::*
15	cpe:2.3:h:cisco:1160_integrated_services_router:-:::::::*
16	cpe:2.3:h:cisco:4000_integrated_services_router:-:::::::*
17	cpe:2.3:h:cisco:4221_integrated_services_router:-:::::::*
18	cpe:2.3:h:cisco:4321_integrated_services_router:-:::::::*
19	cpe:2.3:h:cisco:4331_integrated_services_router:-:::::::*
20	cpe:2.3:h:cisco:4351_integrated_services_router:-:::::::*
21	cpe:2.3:h:cisco:4431_integrated_services_router:-:::::::*
22	cpe:2.3:h:cisco:4451-x_integrated_services_router:-:::::::*
23	cpe:2.3:h:cisco:4451_integrated_services_router:-:::::::*
24	cpe:2.3:h:cisco:4461_integrated_services_router:-:::::::*
25	cpe:2.3:h:cisco:asr_1000:-:::::::*
26	cpe:2.3:h:cisco:asr_1000-esp100:-:::::::*
27	cpe:2.3:h:cisco:asr_1000-x:-:::::::*
28	cpe:2.3:h:cisco:asr_1001:-:::::::*
29	cpe:2.3:h:cisco:asr_1001-hx:-:::::::*
30	cpe:2.3:h:cisco:asr_1001-hx_r:-:::::::*
31	cpe:2.3:h:cisco:asr_1001-x:-:::::::*
32	cpe:2.3:h:cisco:asr_1001-x_r:-:::::::*
33	cpe:2.3:h:cisco:asr_1002:-:::::::*
34	cpe:2.3:h:cisco:asr_1002-hx:-:::::::*
35	cpe:2.3:h:cisco:asr_1002-hx_r:-:::::::*
36	cpe:2.3:h:cisco:asr_1002-x:-:::::::*
37	cpe:2.3:h:cisco:asr_1002-x_r:-:::::::*
38	cpe:2.3:h:cisco:asr_1004:-:::::::*
39	cpe:2.3:h:cisco:asr_1006:-:::::::*
40	cpe:2.3:h:cisco:asr_1006-x:-:::::::*
41	cpe:2.3:h:cisco:asr_1009-x:-:::::::*
42	cpe:2.3:h:cisco:asr_1013:-:::::::*
43	cpe:2.3:h:cisco:asr_1023:-:::::::*
44	cpe:2.3:h:cisco:catalyst_8300-1n1s-4t2x:-:::::::*
45	cpe:2.3:h:cisco:catalyst_8300-1n1s-6t:-:::::::*
46	cpe:2.3:h:cisco:catalyst_8300-2n2s-4t2x:-:::::::*
47	cpe:2.3:h:cisco:catalyst_8300-2n2s-6t:-:::::::*
48	cpe:2.3:h:cisco:catalyst_8500:-:::::::*
49	cpe:2.3:h:cisco:catalyst_8500l:-:::::::*
50	cpe:2.3:h:cisco:catalyst_8510csr:-:::::::*
51	cpe:2.3:h:cisco:catalyst_8510msr:-:::::::*
52	cpe:2.3:h:cisco:catalyst_8540csr:-:::::::*
53	cpe:2.3:h:cisco:catalyst_8540msr:-:::::::*
54	cpe:2.3:h:cisco:csr_1000v:-:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:cisco:ios_xe_sd-wan::::::::		17.2.1r
execution environment
1	cpe:2.3:h:cisco:1100-4g\/6g_integrated_services_router:-:::::::*
2	cpe:2.3:h:cisco:1100-4p_integrated_services_router:-:::::::*
3	cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:::::::*
4	cpe:2.3:h:cisco:1100_integrated_services_router:-:::::::*
5	cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:::::::*
6	cpe:2.3:h:cisco:1101_integrated_services_router:-:::::::*
7	cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:::::::*
8	cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:::::::*
9	cpe:2.3:h:cisco:1109_integrated_services_router:-:::::::*
10	cpe:2.3:h:cisco:1111x-8p_integrated_services_router:-:::::::*
11	cpe:2.3:h:cisco:1111x_integrated_services_router:-:::::::*
12	cpe:2.3:h:cisco:111x_integrated_services_router:-:::::::*
13	cpe:2.3:h:cisco:1120_integrated_services_router:-:::::::*
14	cpe:2.3:h:cisco:1160_integrated_services_router:-:::::::*
15	cpe:2.3:h:cisco:4000_integrated_services_router:-:::::::*
16	cpe:2.3:h:cisco:4221_integrated_services_router:-:::::::*
17	cpe:2.3:h:cisco:4321_integrated_services_router:-:::::::*
18	cpe:2.3:h:cisco:4331_integrated_services_router:-:::::::*
19	cpe:2.3:h:cisco:4351_integrated_services_router:-:::::::*
20	cpe:2.3:h:cisco:4431_integrated_services_router:-:::::::*
21	cpe:2.3:h:cisco:4451-x_integrated_services_router:-:::::::*
22	cpe:2.3:h:cisco:4451_integrated_services_router:-:::::::*
23	cpe:2.3:h:cisco:4461_integrated_services_router:-:::::::*
24	cpe:2.3:h:cisco:asr_1000:-:::::::*
25	cpe:2.3:h:cisco:asr_1000-esp100:-:::::::*
26	cpe:2.3:h:cisco:asr_1000-x:-:::::::*
27	cpe:2.3:h:cisco:asr_1001:-:::::::*
28	cpe:2.3:h:cisco:asr_1001-hx:-:::::::*
29	cpe:2.3:h:cisco:asr_1001-hx_r:-:::::::*
30	cpe:2.3:h:cisco:asr_1001-x:-:::::::*
31	cpe:2.3:h:cisco:asr_1001-x_r:-:::::::*
32	cpe:2.3:h:cisco:asr_1002:-:::::::*
33	cpe:2.3:h:cisco:asr_1002-hx:-:::::::*
34	cpe:2.3:h:cisco:asr_1002-hx_r:-:::::::*
35	cpe:2.3:h:cisco:asr_1002-x:-:::::::*
36	cpe:2.3:h:cisco:asr_1002-x_r:-:::::::*
37	cpe:2.3:h:cisco:asr_1002_fixed_router:-:::::::*
38	cpe:2.3:h:cisco:asr_1004:-:::::::*
39	cpe:2.3:h:cisco:asr_1006:-:::::::*
40	cpe:2.3:h:cisco:asr_1006-x:-:::::::*
41	cpe:2.3:h:cisco:asr_1009-x:-:::::::*
42	cpe:2.3:h:cisco:asr_1013:-:::::::*
43	cpe:2.3:h:cisco:asr_1023:-:::::::*
44	cpe:2.3:h:cisco:catalyst_8300-1n1s-4t2x:-:::::::*
45	cpe:2.3:h:cisco:catalyst_8300-1n1s-6t:-:::::::*
46	cpe:2.3:h:cisco:catalyst_8300-2n2s-4t2x:-:::::::*
47	cpe:2.3:h:cisco:catalyst_8300-2n2s-6t:-:::::::*
48	cpe:2.3:h:cisco:catalyst_8500:-:::::::*
49	cpe:2.3:h:cisco:catalyst_8500l:-:::::::*
50	cpe:2.3:h:cisco:catalyst_8510csr:-:::::::*
51	cpe:2.3:h:cisco:catalyst_8510msr:-:::::::*
52	cpe:2.3:h:cisco:catalyst_8540csr:-:::::::*
53	cpe:2.3:h:cisco:catalyst_8540msr:-:::::::*
54	cpe:2.3:h:cisco:csr_1000v:-:::::::*

Related information, measures and tools

No	URL	refsource	タグ
1	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-rhpbE34A		Vendor Advisory
2	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-rhpbE34A		Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-78	OSコマンド・インジェクション	https://cwe.mitre.org/data/definitions/78.html

JVN Vulnerability Information

Cisco IOS XE SD-WAN ソフトウェアにおける OS コマンドインジェクションの脆弱性

Title	Cisco IOS XE SD-WAN ソフトウェアにおける OS コマンドインジェクションの脆弱性
Summary	Cisco IOS XE SD-WAN ソフトウェアには、 OS コマンドインジェクションの脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態に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. 20, 2021, midnight
Registration Date	Oct. 5, 2022, 11:31 a.m.
Last Update	Oct. 5, 2022, 11:31 a.m.

Affected System

シスコシステムズ

Cisco IOS XE

Cisco IOS XE SD-WAN

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2021-1529	https://www.cve.org/CVERecord?id=CVE-2021-1529
National Vulnerability Database (NVD)
2	CVE-2021-1529	https://nvd.nist.gov/vuln/detail/CVE-2021-1529

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-78	https://jvndb.jvn.jp/ja/cwe/CWE-78.html

ベンダー情報

No	Name	URL
Cisco Security Advisory
1	cisco-sa-sd-wan-rhpbE34A	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-rhpbE34A

Change Log

No	Changed Details	Date of change
1	[2022年10月05日] 掲載	Oct. 5, 2022, 11:30 a.m.

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:cisco:ios_xe_sd-wan::::::::		17.2.1r
execution environment
1	cpe:2.3:h:cisco:1100-4g\/6g_integrated_services_router:-:::::::*
2	cpe:2.3:h:cisco:1100-4p_integrated_services_router:-:::::::*
3	cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:::::::*
4	cpe:2.3:h:cisco:1100_integrated_services_router:-:::::::*
5	cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:::::::*
6	cpe:2.3:h:cisco:1101_integrated_services_router:-:::::::*
7	cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:::::::*
8	cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:::::::*
9	cpe:2.3:h:cisco:1109_integrated_services_router:-:::::::*
10	cpe:2.3:h:cisco:1111x-8p_integrated_services_router:-:::::::*
11	cpe:2.3:h:cisco:1111x_integrated_services_router:-:::::::*
12	cpe:2.3:h:cisco:111x_integrated_services_router:-:::::::*
13	cpe:2.3:h:cisco:1120_integrated_services_router:-:::::::*
14	cpe:2.3:h:cisco:1160_integrated_services_router:-:::::::*
15	cpe:2.3:h:cisco:4000_integrated_services_router:-:::::::*
16	cpe:2.3:h:cisco:4221_integrated_services_router:-:::::::*
17	cpe:2.3:h:cisco:4321_integrated_services_router:-:::::::*
18	cpe:2.3:h:cisco:4331_integrated_services_router:-:::::::*
19	cpe:2.3:h:cisco:4351_integrated_services_router:-:::::::*
20	cpe:2.3:h:cisco:4431_integrated_services_router:-:::::::*
21	cpe:2.3:h:cisco:4451-x_integrated_services_router:-:::::::*
22	cpe:2.3:h:cisco:4451_integrated_services_router:-:::::::*
23	cpe:2.3:h:cisco:4461_integrated_services_router:-:::::::*
24	cpe:2.3:h:cisco:asr_1000:-:::::::*
25	cpe:2.3:h:cisco:asr_1000-esp100:-:::::::*
26	cpe:2.3:h:cisco:asr_1000-x:-:::::::*
27	cpe:2.3:h:cisco:asr_1001:-:::::::*
28	cpe:2.3:h:cisco:asr_1001-hx:-:::::::*
29	cpe:2.3:h:cisco:asr_1001-hx_r:-:::::::*
30	cpe:2.3:h:cisco:asr_1001-x:-:::::::*
31	cpe:2.3:h:cisco:asr_1001-x_r:-:::::::*
32	cpe:2.3:h:cisco:asr_1002:-:::::::*
33	cpe:2.3:h:cisco:asr_1002-hx:-:::::::*
34	cpe:2.3:h:cisco:asr_1002-hx_r:-:::::::*
35	cpe:2.3:h:cisco:asr_1002-x:-:::::::*
36	cpe:2.3:h:cisco:asr_1002-x_r:-:::::::*
37	cpe:2.3:h:cisco:asr_1002_fixed_router:-:::::::*
38	cpe:2.3:h:cisco:asr_1004:-:::::::*
39	cpe:2.3:h:cisco:asr_1006:-:::::::*
40	cpe:2.3:h:cisco:asr_1006-x:-:::::::*
41	cpe:2.3:h:cisco:asr_1009-x:-:::::::*
42	cpe:2.3:h:cisco:asr_1013:-:::::::*
43	cpe:2.3:h:cisco:asr_1023:-:::::::*
44	cpe:2.3:h:cisco:catalyst_8300-1n1s-4t2x:-:::::::*
45	cpe:2.3:h:cisco:catalyst_8300-1n1s-6t:-:::::::*
46	cpe:2.3:h:cisco:catalyst_8300-2n2s-4t2x:-:::::::*
47	cpe:2.3:h:cisco:catalyst_8300-2n2s-6t:-:::::::*
48	cpe:2.3:h:cisco:catalyst_8500:-:::::::*
49	cpe:2.3:h:cisco:catalyst_8500l:-:::::::*
50	cpe:2.3:h:cisco:catalyst_8510csr:-:::::::*
51	cpe:2.3:h:cisco:catalyst_8510msr:-:::::::*
52	cpe:2.3:h:cisco:catalyst_8540csr:-:::::::*
53	cpe:2.3:h:cisco:catalyst_8540msr:-:::::::*
54	cpe:2.3:h:cisco:csr_1000v:-:::::::*