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MitreCVE-2020-12141

HistoryOct 19, 2021 - 4:15 p.m.

CVE-2020-12141

2021-10-1916:15:07

CWE-125

mitre

web.nvd.nist.gov

cve-2020-12141

snmp

contiki-ng

denial of service

information disclosure

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.002

Percentile

59.3%

JSON

An out-of-bounds read in the SNMP stack in Contiki-NG 4.4 and earlier allows an attacker to cause a denial of service and potentially disclose information via crafted SNMP packets to snmp_ber_decode_string_len_buffer in os/net/app-layer/snmp/snmp-ber.c.

Affected configurations

Nvd

Node

contiki-ngcontiki-ngRange≤4.4

VendorProductVersionCPE
contiki-ngcontiki-ng*cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
contiki-ng	contiki-ng	*	cpe:2.3:o:contiki-ng:contiki-ng::::::::

References

github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71#diff-32367fad664c6118fd5dda77cdf38eedc006cdd7544eca5bbeebe0b99653f8a0

github.com/contiki-ng/contiki-ng/pull/1355

twitter.com/ScepticCtf

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.002

Percentile

59.3%

JSON

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