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cve[email protected]CVE-2021-0241
HistoryApr 22, 2021 - 8:15 p.m.

CVE-2021-0241

2021-04-2220:15:09
CWE-755
CWE-703
web.nvd.nist.gov
17
5
juniper networks
junos os
jdhcpd
dhcpv6
denial of service
dos
cve-2021-0241
nvd

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:N/I:N/A:P

7.4 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

25.0%

On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, Juniper Networks Dynamic Host Configuration Protocol Daemon (JDHCPD) process might crash with a core dump if a specific DHCPv6 packet is received, resulting in a restart of the daemon. The daemon automatically restarts without intervention, but continued receipt and processing of these specific packets will repeatedly crash the JDHCPD process and sustain the Denial of Service (DoS) condition. This issue only affects DHCPv6. DHCPv4 is not affected by this issue. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R3-S4; 18.1 versions prior to 18.1R3-S12; 18.2 versions prior to 18.2R3-S7; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R3-S7; 19.1 versions prior to 19.1R3-S4; 19.2 versions prior to 19.2R3-S1; 19.3 versions prior to 19.3R3-S1, 19.3R3-S2; 19.4 versions prior to 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2, 20.2R3; 20.3 versions prior to 20.3R1-S2, 20.3R2.

Affected configurations

NVD
Node
juniperjunosMatch17.3-
OR
juniperjunosMatch17.3r1
OR
juniperjunosMatch17.3r1-s1
OR
juniperjunosMatch17.3r1-s4
OR
juniperjunosMatch17.3r2
OR
juniperjunosMatch17.3r2-s1
OR
juniperjunosMatch17.3r2-s2
OR
juniperjunosMatch17.3r2-s3
OR
juniperjunosMatch17.3r2-s4
OR
juniperjunosMatch17.3r2-s5
OR
juniperjunosMatch17.3r3
OR
juniperjunosMatch17.3r3-
OR
juniperjunosMatch17.3r3-s1
OR
juniperjunosMatch17.3r3-s10
OR
juniperjunosMatch17.3r3-s11
OR
juniperjunosMatch17.3r3-s2
OR
juniperjunosMatch17.3r3-s3
OR
juniperjunosMatch17.3r3-s4
OR
juniperjunosMatch17.3r3-s5
OR
juniperjunosMatch17.3r3-s6
OR
juniperjunosMatch17.3r3-s7
OR
juniperjunosMatch17.3r3-s8
OR
juniperjunosMatch17.3r3-s9
OR
juniperjunosMatch17.4-
OR
juniperjunosMatch17.4r1
OR
juniperjunosMatch17.4r1-s1
OR
juniperjunosMatch17.4r1-s2
OR
juniperjunosMatch17.4r1-s3
OR
juniperjunosMatch17.4r1-s4
OR
juniperjunosMatch17.4r1-s5
OR
juniperjunosMatch17.4r1-s6
OR
juniperjunosMatch17.4r1-s7
OR
juniperjunosMatch17.4r2
OR
juniperjunosMatch17.4r2-s1
OR
juniperjunosMatch17.4r2-s10
OR
juniperjunosMatch17.4r2-s11
OR
juniperjunosMatch17.4r2-s2
OR
juniperjunosMatch17.4r2-s3
OR
juniperjunosMatch17.4r2-s4
OR
juniperjunosMatch17.4r2-s5
OR
juniperjunosMatch17.4r2-s6
OR
juniperjunosMatch17.4r2-s7
OR
juniperjunosMatch17.4r2-s8
OR
juniperjunosMatch17.4r2-s9
OR
juniperjunosMatch17.4r3
OR
juniperjunosMatch17.4r3-s1
OR
juniperjunosMatch17.4r3-s2
OR
juniperjunosMatch17.4r3-s3
OR
juniperjunosMatch17.4r3-s4
OR
juniperjunosMatch18.1-
OR
juniperjunosMatch18.1r1
OR
juniperjunosMatch18.1r2
OR
juniperjunosMatch18.1r2-s1
OR
juniperjunosMatch18.1r2-s2
OR
juniperjunosMatch18.1r2-s4
OR
juniperjunosMatch18.1r3
OR
juniperjunosMatch18.1r3-s1
OR
juniperjunosMatch18.1r3-s10
OR
juniperjunosMatch18.1r3-s11
OR
juniperjunosMatch18.1r3-s12
OR
juniperjunosMatch18.1r3-s2
OR
juniperjunosMatch18.1r3-s3
OR
juniperjunosMatch18.1r3-s4
OR
juniperjunosMatch18.1r3-s5
OR
juniperjunosMatch18.1r3-s6
OR
juniperjunosMatch18.1r3-s7
OR
juniperjunosMatch18.1r3-s8
OR
juniperjunosMatch18.1r3-s9
OR
juniperjunosMatch18.2-
OR
juniperjunosMatch18.2r1
OR
juniperjunosMatch18.2r1-
OR
juniperjunosMatch18.2r1-s2
OR
juniperjunosMatch18.2r1-s3
OR
juniperjunosMatch18.2r1-s4
OR
juniperjunosMatch18.2r1-s5
OR
juniperjunosMatch18.2r2
OR
juniperjunosMatch18.2r2-s1
OR
juniperjunosMatch18.2r2-s2
OR
juniperjunosMatch18.2r2-s3
OR
juniperjunosMatch18.2r2-s4
OR
juniperjunosMatch18.2r2-s5
OR
juniperjunosMatch18.2r2-s6
OR
juniperjunosMatch18.2r2-s7
OR
juniperjunosMatch18.2r3
OR
juniperjunosMatch18.2r3-s1
OR
juniperjunosMatch18.2r3-s2
OR
juniperjunosMatch18.2r3-s3
OR
juniperjunosMatch18.2r3-s4
OR
juniperjunosMatch18.3-
OR
juniperjunosMatch18.3r1
OR
juniperjunosMatch18.3r1-s1
OR
juniperjunosMatch18.3r1-s2
OR
juniperjunosMatch18.3r1-s3
OR
juniperjunosMatch18.3r1-s4
OR
juniperjunosMatch18.3r1-s5
OR
juniperjunosMatch18.3r1-s6
OR
juniperjunosMatch18.3r2
OR
juniperjunosMatch18.3r2-s1
OR
juniperjunosMatch18.3r2-s2
OR
juniperjunosMatch18.3r2-s3
OR
juniperjunosMatch18.3r2-s4
OR
juniperjunosMatch18.3r3
OR
juniperjunosMatch18.3r3-s1
OR
juniperjunosMatch18.3r3-s2
OR
juniperjunosMatch18.3r3-s3
OR
juniperjunosMatch18.3r3-s4
OR
juniperjunosMatch18.4-
OR
juniperjunosMatch18.4r1
OR
juniperjunosMatch18.4r1-s1
OR
juniperjunosMatch18.4r1-s2
OR
juniperjunosMatch18.4r1-s3
OR
juniperjunosMatch18.4r1-s4
OR
juniperjunosMatch18.4r1-s5
OR
juniperjunosMatch18.4r1-s6
OR
juniperjunosMatch18.4r1-s7
OR
juniperjunosMatch18.4r2
OR
juniperjunosMatch18.4r2-s1
OR
juniperjunosMatch18.4r2-s2
OR
juniperjunosMatch18.4r2-s3
OR
juniperjunosMatch18.4r2-s4
OR
juniperjunosMatch18.4r2-s5
OR
juniperjunosMatch18.4r2-s6
OR
juniperjunosMatch18.4r3
OR
juniperjunosMatch18.4r3-s1
OR
juniperjunosMatch18.4r3-s2
OR
juniperjunosMatch18.4r3-s3
OR
juniperjunosMatch18.4r3-s4
OR
juniperjunosMatch18.4r3-s5
OR
juniperjunosMatch18.4r3-s6
OR
juniperjunosMatch19.1-
OR
juniperjunosMatch19.1r1
OR
juniperjunosMatch19.1r1-s1
OR
juniperjunosMatch19.1r1-s2
OR
juniperjunosMatch19.1r1-s3
OR
juniperjunosMatch19.1r1-s4
OR
juniperjunosMatch19.1r1-s5
OR
juniperjunosMatch19.1r2
OR
juniperjunosMatch19.1r2-s1
OR
juniperjunosMatch19.1r3
OR
juniperjunosMatch19.1r3-s1
OR
juniperjunosMatch19.1r3-s2
OR
juniperjunosMatch19.1r3-s3
OR
juniperjunosMatch19.1r3-s4
OR
juniperjunosMatch19.2-
OR
juniperjunosMatch19.2r1
OR
juniperjunosMatch19.2r1-s1
OR
juniperjunosMatch19.2r1-s2
OR
juniperjunosMatch19.2r1-s3
OR
juniperjunosMatch19.2r1-s4
OR
juniperjunosMatch19.2r1-s5
OR
juniperjunosMatch19.2r2
OR
juniperjunosMatch19.2r2-s1
OR
juniperjunosMatch19.2r3
OR
juniperjunosMatch19.2r3-s1
OR
juniperjunosMatch19.3-
OR
juniperjunosMatch19.3r1
OR
juniperjunosMatch19.3r1-s1
OR
juniperjunosMatch19.3r2
OR
juniperjunosMatch19.3r2-s1
OR
juniperjunosMatch19.3r2-s2
OR
juniperjunosMatch19.3r2-s3
OR
juniperjunosMatch19.3r2-s4
OR
juniperjunosMatch19.3r2-s5
OR
juniperjunosMatch19.3r3
OR
juniperjunosMatch19.4r1
OR
juniperjunosMatch19.4r1-s1
OR
juniperjunosMatch19.4r1-s2
OR
juniperjunosMatch19.4r2
OR
juniperjunosMatch19.4r2-s1
OR
juniperjunosMatch19.4r2-s2
OR
juniperjunosMatch19.4r3
OR
juniperjunosMatch19.4r3-s1
OR
juniperjunosMatch20.1r1
OR
juniperjunosMatch20.1r1-s1
OR
juniperjunosMatch20.1r1-s2
OR
juniperjunosMatch20.1r1-s3
OR
juniperjunosMatch20.1r1-s4
OR
juniperjunosMatch20.1r2
OR
juniperjunosMatch20.1r2-s1
OR
juniperjunosMatch20.2r1
OR
juniperjunosMatch20.2r1-s1
OR
juniperjunosMatch20.2r1-s2
OR
juniperjunosMatch20.2r1-s3
OR
juniperjunosMatch20.2r2
OR
juniperjunosMatch20.2r2-s1
OR
juniperjunosMatch20.2r2-s2
OR
juniperjunosMatch20.3r1
OR
juniperjunosMatch20.3r1-s1
OR
juniperjunosMatch20.4r1

CNA Affected

[
  {
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "17.3R3-S11",
        "status": "affected",
        "version": "17.3",
        "versionType": "custom"
      },
      {
        "lessThan": "17.4R3-S4",
        "status": "affected",
        "version": "17.4",
        "versionType": "custom"
      },
      {
        "lessThan": "18.1R3-S12",
        "status": "affected",
        "version": "18.1",
        "versionType": "custom"
      },
      {
        "lessThan": "18.2R3-S7",
        "status": "affected",
        "version": "18.2",
        "versionType": "custom"
      },
      {
        "lessThan": "18.3R3-S4",
        "status": "affected",
        "version": "18.3",
        "versionType": "custom"
      },
      {
        "lessThan": "18.4R3-S7",
        "status": "affected",
        "version": "18.4",
        "versionType": "custom"
      },
      {
        "lessThan": "19.1R3-S4",
        "status": "affected",
        "version": "19.1",
        "versionType": "custom"
      },
      {
        "lessThan": "19.2R3-S1",
        "status": "affected",
        "version": "19.2",
        "versionType": "custom"
      },
      {
        "lessThan": "19.3R3-S1, 19.3R3-S2",
        "status": "affected",
        "version": "19.3",
        "versionType": "custom"
      },
      {
        "lessThan": "19.4R3-S1",
        "status": "affected",
        "version": "19.4",
        "versionType": "custom"
      },
      {
        "lessThan": "20.1R2, 20.1R3",
        "status": "affected",
        "version": "20.1",
        "versionType": "custom"
      },
      {
        "lessThan": "20.2R2, 20.2R3",
        "status": "affected",
        "version": "20.2",
        "versionType": "custom"
      },
      {
        "lessThan": "20.3R1-S2, 20.3R2",
        "status": "affected",
        "version": "20.3",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:N/I:N/A:P

7.4 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

25.0%

Related for CVE-2021-0241