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.

Open Iscsi CVE-2020-13987

HIGH

Out-of-bounds Read (CWE-125)

2020-12-11 cve@mitre.org

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

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

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.