CVE-2021-0261

Severity

75%

Complexity

39%

Confidentiality

60%

A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Captive Portal allows an unauthenticated attacker to cause an extended Denial of Service (DoS) for these services by sending a high number of specific requests. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S17 on EX Series; 12.3X48 versions prior to 12.3X48-D105 on SRX Series; 15.1 versions prior to 15.1R7-S8; 15.1X49 versions prior to 15.1X49-D230 on SRX Series; 16.1 versions prior to 16.1R7-S8; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4; 19.1 versions prior to 19.1R2-S2, 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2; 20.2 versions prior to 20.2R1-S1, 20.2R2.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

Type

Juniper

First reported 3 years ago

2021-04-22 20:15:00

Last updated 3 years ago

2021-05-04 21:56:00

Affected Software

Juniper Junos OS 15.1

15.1

Juniper Junos 15.1 A1

15.1

Juniper JUNOS 15.1 F

15.1

Juniper JunOS 15.1 F1

15.1

Juniper JunOS 15.1 F2

15.1

Juniper JunOS 15.1 F2-s1

15.1

Juniper Junos 15.1 F2-S2

15.1

Juniper Junos 15.1 F2-S3

15.1

Juniper Junos 15.1 F2-S4

15.1

Juniper Junos 15.1 F3

15.1

Juniper Junos 15.1 F4

15.1

Juniper Junos 15.1 F5

15.1

Juniper Junos 15.1 F5-S7

15.1

Juniper JUNOS 15.1 F6

15.1

Juniper JUNOS 15.1 F6-s1

15.1

Juniper Junos OS 15.1 F6-s12

15.1

Juniper JUNOS 15.1 F6-s2

15.1

Juniper JUNOS 15.1 F6-S3

15.1

Juniper Junos 15.1 F6-S4

15.1

Juniper Junos 15.1 F6-S7

15.1

Juniper JunOS 15.1 F7

15.1

Juniper Junos 15.1 R1

15.1

Juniper JunOS 15.1 R2

15.1

Juniper Junos 15.1 R3

15.1

Juniper JunOS 15.1 R4

15.1

Juniper Junos 15.1 R4-S7

15.1

Juniper Junos 15.1 R4-S8

15.1

Juniper Junos 15.1 R4-S9

15.1

Juniper JunOS 15.1 R5

15.1

Juniper Junos 15.1 R5-S1

15.1

Juniper Junos 15.1 R5-S5

15.1

Juniper JUNOS 15.1 R5-S6

15.1

Juniper JunOS 15.1 R6

15.1

Juniper Junos 15.1 R6-S1

15.1

Juniper JUNOS 15.1 R6-S2

15.1

Juniper Junos 15.1 R6-S6

15.1

Juniper Junos OS 15.1 R7

15.1

Juniper JUNOS 15.1 R7-S1

15.1

Juniper JUNOS 15.1 R7-S2

15.1

Juniper JUNOS 15.1 R7-S3

15.1

Juniper Junos OS 15.1 R7-s4

15.1

Juniper Junos OS 15.1 R7-s5

15.1

Juniper JUNOS 16.1

16.1

Juniper JunOS 16.1 R1

16.1

Juniper JunOS 16.1 R2

16.1

Juniper JunOS 16.1 R3

16.1

Juniper Junos 16.1 R3-S10

16.1

Juniper Junos OS 16.1 R3-S11

16.1

Juniper JunOS 16.1 R4

16.1

Juniper JUNOS 16.1 R4-S12

16.1

Juniper JUNOS 16.1 R4-S2

16.1

Juniper Junos 16.1 R4-S3

16.1

Juniper Junos 16.1 R4-S4

16.1

Juniper JUNOS 16.1 R4-S6

16.1

Juniper Junos 16.1 R5

16.1

Juniper Junos 16.1 R5-S4

16.1

Juniper Junos 16.1 R6-S1

16.1

Juniper Junos 16.1 R6-s6

16.1

Juniper Junos 16.1 R7

16.1

Juniper JUNOS 16.1 R7-S2

16.1

Juniper JUNOS 16.1 R7-S3

16.1

Juniper JUNOS 16.1R7-S4

16.1

Juniper JUNOS 16.1R7-S5

16.1

Juniper JUNOS 16.1 R7-S6

16.1

Juniper JUNOS 16.1 R7-S7

16.1

Juniper JUNOS 17.3

17.3

Juniper JUNOS 17.3 R1-S1

17.3

Juniper Junos 17.3 R2

17.3

Juniper JUNOS 17.3 R2-S1

17.3

Juniper JUNOS 17.3R2-S2

17.3

Juniper Junos OS 17.3 R2-S3

17.3

Juniper JUNOS 17.3 R2-S4

17.3

Juniper JunOS 17.3 R3

17.3

Juniper JUNOS 17.3 R3-S1

17.3

Juniper JUNOS 17.3 R3-S2

17.3

Juniper JUNOS 17.3 R3-S3

17.3

Juniper JUNOS 17.3R3-S4

17.3

Juniper JUNOS 17.3 R3-S7

17.3

Juniper JUNOS 17.4

17.4

Juniper Junos 17.4 R1

17.4

Juniper JUNOS 17.4 R1-S1

17.4

Juniper JUNOS 17.4 R1-S2

17.4

Juniper JUNOS 17.4R1-S4

17.4

Juniper JunOS 17.4 R1-s5

17.4

Juniper JUNOS 17.4 R1-S6

17.4

Juniper JUNOS 17.4R1-S7

17.4

Juniper Junos 17.4 R2

17.4

Juniper JUNOS 17.4 R2-S1

17.4

Juniper JUNOS 17.4 R2-S10

17.4

Juniper Junos 17.4 R2-S2

17.4

Juniper JUNOS 17.4 R2-S3

17.4

Juniper JUNOS 17.4R2-S4

17.4

Juniper JUNOS 17.4 R2-S5

17.4

Juniper JUNOS 17.4 R2-S6

17.4

Juniper JUNOS 17.4 R2-S7

17.4

Juniper JUNOS 17.4 R2-S8

17.4

Juniper JUNOS 17.4 R2-S9

17.4

Juniper JUNOS 18.1

18.1

Juniper JUNOS 18.1R2

18.1

Juniper JUNOS R2-S1

18.1

Juniper JUNOS R2-S2

18.1

Juniper JUNOS 18.1 R2-S4

18.1

Juniper JUNOS 18.1 R3

18.1

Juniper JunOS 18.1 R3-s1

18.1

Juniper JUNOS 18.1 R3-S2

18.1

Juniper JUNOS 18.1 R3-S3

18.1

Juniper JUNOS 18.1R3-S4

18.1

Juniper JUNOS 18.1 R3-S6

18.1

Juniper JUNOS 18.1 R3-S7

18.1

Juniper JUNOS 18.1 R3-S8

18.1

Juniper JUNOS 18.1 R3-S9

18.1

Juniper JUNOS 18.2

18.2

Juniper JunOS 18.2 R1

18.2

Juniper JunOS 18.2 R1-S3

18.2

Juniper JUNOS 18.2 R1-S5

18.2

Juniper JUNOS 18.2 R2-S1

18.2

Juniper JUNOS 18.2R2-S2

18.2

Juniper JUNOS 18.2R2-S3

18.2

Juniper JUNOS18.2 R2-S4

18.2

Juniper JUNOS 18.2 R2-S5

18.2

Juniper JUNOS 18.2 R2-S6

18.2

Juniper JUNOS 18.2R3

18.2

Juniper JUNOS 18.2 R3-S1

18.2

Juniper JUNOS 18.2 R3-S2

18.2

Juniper JUNOS 18.2 R3-S3

18.2

Juniper JUNOS 18.3

18.3

Juniper JUNOS 18.3 R1

18.3

Juniper JUNOS 18.3 R1-S1

18.3

Juniper JUNOS 18.3 R1-S2

18.3

Juniper JUNOS 18.3R1-S3

18.3

Juniper JUNOS 18.3 R1-S5

18.3

Juniper JUNOS 18.3 R1-S6

18.3

Juniper JUNOS 18.3 R2

18.3

Juniper JUNOS 18.3 R2-S1

18.3

Juniper JUNOS 18.3 R2-S2

18.3

Juniper JUNOS 18.3 R2-S3

18.3

Juniper JUNOS 18.3 R3

18.3

Juniper JUNOS 18.3 R3-S1

18.3

Juniper JUNOS 18.4

18.4

Juniper JunOS 18.4 R1

18.4

Juniper Junos OS 18.4 R1-S1

18.4

Juniper JUNOS 18.4R1-S2

18.4

Juniper JUNOS 18.4 R1-S5

18.4

Juniper JUNOS 18.4 R1-S6

18.4

Juniper JUNOS 18.4R2

18.4

Juniper JUNOS 18.4 R2-S1

18.4

Juniper JUNOS 18.4 R2-S2

18.4

Juniper JUNOS 18.4 R2-S3

18.4

Juniper JUNOS 18.4 R3

18.4

Juniper Junos OS 19.1

19.1

Juniper Junos OS 19.1 R1

19.1

Juniper Junos OS 19.1 R1-s1

19.1

Juniper JUNOS 19.1 R1-S2

19.1

Juniper JUNOS 19.1 R1-S3

19.1

Juniper JUNOS 19.1 R1-S4

19.1

Juniper Junos OS 19.1 R2

19.1

Juniper Junos OS 19.2

19.2

Juniper Junos OS 19.2 R1

19.2

Juniper JUNOS 19.2 R1-S1

19.2

Juniper JUNOS 19.2 R1-S2

19.2

Juniper JUNOS 19.2 R1-S3

19.2

Juniper JUNOS 19.3

19.3

Juniper JUNOS 19.3 R1

19.3

Juniper JUNOS 19.3 R1-S1

19.3

Juniper JUNOS 19.3 R2

19.3

Juniper JUNOS 19.3 R2-S1

19.3

Juniper JUNOS 19.3 R2-S2

19.3

Juniper JUNOS 19.4 R1

19.4

Juniper JUNOS 19.4 R1-S1

19.4

Juniper JUNOS 20.1 R1

20.1

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