CVE-2018-20622

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

2.90% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 85.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2018-12-31 19:00Z7 YR AGO

Last updated

2025-05-06 16:23Z1 YR AGO

Reserved

2018-12-31

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-772Missing Release of Resource after Effective LifetimeBase
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

4b08f3ee7adaa820949a4e32439e394977620e8e7be63006d80b1d31a6f6ed1f

• lists.debian.org[debian-lts-announce] 20190102 [SECURITY] [DLA 1628-1] jasper security updatehttps://lists.debian.org/debian-lts-announce/2019/01/msg00003.htmlmailing-listx_refsource_MLIST
• www.securityfocus.com106373http://www.securityfocus.com/bid/106373vdb-entryx_refsource_BID
• github.comhttps://github.com/mdadams/jasper/issues/193x_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2020.htmlx_refsource_MISC
• lists.opensuse.orgopenSUSE-SU-2020:1517http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00082.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1523http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00085.htmlvendor-advisoryx_refsource_SUSE