01 Record

CVE-2019-18934

Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 3.21% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 87.1% of scored records. A rank, not a probability.
NVD base score: 7.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. 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.

04 Metadata

Published

2019-11-19 17:30Z6 YR AGO

Last updated

2024-08-05 02:02Z2 YR AGO

Reserved

2019-11-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.1

Document digest

317ceef7944ab98f100b7dae591813a8a7108ef06c6da5508c74c7362f6e2b8b

05 Affected products

VendorProductVersionsPlatforms

fedoraprojectfedoraNot specified—

nlnetlabsunboundNot specified—

opensuseleapNot specified—

redhatenterprise_linuxNot specified—

06 References

www.openwall.com[oss-security] 20191119 CVE-2019-18934 Unbound: Vulnerability in IPSEC modulehttp://www.openwall.com/lists/oss-security/2019/11/19/1mailing-listx_refsource_MLIST
www.nlnetlabs.nlhttps://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txtx_refsource_MISC
github.comhttps://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelogx_refsource_MISC
www.nlnetlabs.nlhttps://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/x_refsource_CONFIRM
lists.fedoraproject.orgFEDORA-2019-a29e620cd4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/vendor-advisoryx_refsource_FEDORA
lists.opensuse.orgopenSUSE-SU-2020:0912http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2020:0913http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.htmlvendor-advisoryx_refsource_SUSE

01 Record index

CVE-2019-18934

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2019-18934

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References