What is the CVSS score of CVE-2020-13987?

CVE-2020-13987 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 3.2%.

Is there a patch available for CVE-2020-13987?

Yes, a patch is available for CVE-2020-13987. Update the affected software to the latest version immediately.

Uip CVE-2020-13987

HIGH

Out-of-bounds Read (CWE-125)

2020-12-11 cve@mitre.org

Buffer Overflow Information Disclosure Uip Open Iscsi Sentron 3Va Com100 Firmware Sentron 3Va Com800 Firmware Sentron Pac3200 Firmware Sentron Pac4200 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 11, 2020 - 22:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c.

AnalysisAI

An issue was discovered in Contiki through 3.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c. Affected products include: Uip Project Uip, Open-Iscsi Project Open-Iscsi, Siemens Sentron 3Va Com100 Firmware, Siemens Sentron 3Va Com800 Firmware, Siemens Sentron Pac3200 Firmware. Version information: through 3.0..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.