7.5

CVE-2020-13987: open-iscsi_project open-iscsi Out-of-bounds Read

CVSS: 7.5v3.1HighModified
AliasesRHBA-2021:4446UBUNTU-CVE-2020-13987DEBIAN-CVE-2020-13987
Published 11-12-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-13987 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in open-iscsi_project open-iscsi. EPSS estimates a 3.26% chance of exploitation in the next 30 days, higher than 88.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
3.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 5

Timeline

  1. 11-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

3.26%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.26% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat8 products
  • iscsi-initiator-utils< 0:6.2.1.4-4.git095f59c.el8
  • iscsi-initiator-utils-debuginfo< 0:6.2.1.4-4.git095f59c.el8
  • iscsi-initiator-utils-debugsource< 0:6.2.1.4-4.git095f59c.el8
  • iscsi-initiator-utils-devel< 0:6.2.1.4-4.git095f59c.el8
  • iscsi-initiator-utils-iscsiuio< 0:6.2.1.4-4.git095f59c.el8
Siemens4 products
Debian1 product
  • open-iscsi< 2.1.3-1
Open-iscsi_project1 product
Ubuntu1 product
  • open-iscsi< 2.0.873+git0.3b4b4500-14ubuntu3.7+esm1 | < 2.0.874-5ubuntu2.11+esm1 | < 2.0.874-7.1ubuntu6.4
Uip_project1 product

6 vendors · 16 products

References

16 links
Show all 16 references