CVE-2018-20181

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

8.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 94.6% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/A:H

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.

Published

2019-03-15 18:00Z7 YR AGO

Last updated

2024-08-05 11:58Z2 YR AGO

Reserved

2018-12-17

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-191Integer Underflow (Wrap or Wraparound)Base
• CWE-787Out-of-bounds WriteBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

b17474455cf8a998027eb29a17140fe25fdf9b41a4edebec8f44a787a9496436

• www.securityfocus.com106938http://www.securityfocus.com/bid/106938vdb-entryx_refsource_BID
• github.comhttps://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1x_refsource_MISC
• security.gentoo.orgGLSA-201903-06https://security.gentoo.org/glsa/201903-06vendor-advisoryx_refsource_GENTOO
• research.checkpoint.comhttps://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/x_refsource_CONFIRM
• www.debian.orgDSA-4394https://www.debian.org/security/2019/dsa-4394vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20190219 [SECURITY] [DLA 1683-1] rdesktop security updatehttps://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlmailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2019:2135http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlvendor-advisoryx_refsource_SUSE