CVE-2018-20679

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

7.69% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 94.2% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-01-09 16:00Z7 YR AGO

Last updated

2025-06-09 15:26Z1 YR AGO

Reserved

2019-01-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

0619ed28407ea0108d1ed76313d06884f011502635ea6fd6e089bbeba849eeef

• git.busybox.nethttps://git.busybox.net/busybox/commit/?id=6d3b4bb24da9a07c263f3c1acf8df85382ff562cx_refsource_MISC
• busybox.nethttps://busybox.net/news.htmlx_refsource_MISC
• bugs.busybox.nethttps://bugs.busybox.net/show_bug.cgi?id=11506x_refsource_MISC
• usn.ubuntu.comUSN-3935-1https://usn.ubuntu.com/3935-1/vendor-advisoryx_refsource_UBUNTU
• seclists.org20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16Xhttp://seclists.org/fulldisclosure/2019/Sep/7mailing-listx_refsource_FULLDISC
• seclists.org20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16Xhttps://seclists.org/bugtraq/2019/Sep/7mailing-listx_refsource_BUGTRAQ
• packetstormsecurity.comhttp://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlx_refsource_MISC