CVE-2022-45063

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total 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

5.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.6% 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:3.1/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

2022-11-10 00:00Z3 YR AGO

Last updated

2026-04-08 17:24Z6 MO AGO

Reserved

2022-11-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class
• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.2

Document digest

f263eb9c6e4d93d10f6dc7fea2de6b2476d4fa9ba207e87b0d1b5afac325cf23

• invisible-island.nethttps://invisible-island.net/xterm/xterm.log.html
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2022/11/10/1
• news.ycombinator.comhttps://news.ycombinator.com/item?id=33546415
• www.openwall.com[oss-security] 20221110 CVE-2022-45063: xterm <375 code execution via font opshttp://www.openwall.com/lists/oss-security/2022/11/10/1mailing-list
• www.openwall.com[oss-security] 20221110 Re: CVE-2022-45063: xterm <375 code execution via font opshttp://www.openwall.com/lists/oss-security/2022/11/10/5mailing-list
• lists.fedoraproject.orgFEDORA-2022-681bbe67b6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IVD3I2ZFXGOY6BA2FNS7WPFMPFBDHFWC/vendor-advisory
• security.gentoo.orgGLSA-202211-09https://security.gentoo.org/glsa/202211-09vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-8cf76a9cebhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4TPVNTYFFWNTGZJJQAA4MGGFSTXA4XEA/vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-af5f1eee2chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T2JI5JCHPTXX2KJU45H2XAHQSFVEJ2Y/vendor-advisory
• www.openwall.com[oss-security] 20240615 iTerm2 3.5.x title reporting bughttp://www.openwall.com/lists/oss-security/2024/06/15/1mailing-list
• www.openwall.com[oss-security] 20240617 Re: iTerm2 3.5.x title reporting bughttp://www.openwall.com/lists/oss-security/2024/06/17/1mailing-list
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/04/08/1
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/04/08/10