CVE-2009-4492

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

15.94% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 96.6% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Modified. NVD last modified this record on 2026-06-16.

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

2010-01-13 20:00Z16 YR AGO

Last updated

2024-08-07 07:01Z2 YR AGO

Reserved

2009-12-30

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

No CWE assigned

Data version

5.1

Document digest

46add4a031078ae336339339c3d0c4c2d6142738634c2fe01ee9fdcf4c9232dc

• www.ruby-lang.orghttp://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injectionx_refsource_CONFIRM
• www.redhat.comRHSA-2011:0909http://www.redhat.com/support/errata/RHSA-2011-0909.htmlvendor-advisoryx_refsource_REDHAT
• secunia.com37949http://secunia.com/advisories/37949third-party-advisoryx_refsource_SECUNIA
• www.vupen.comADV-2010-0089http://www.vupen.com/english/advisories/2010/0089vdb-entryx_refsource_VUPEN
• www.redhat.comRHSA-2011:0908http://www.redhat.com/support/errata/RHSA-2011-0908.htmlvendor-advisoryx_refsource_REDHAT
• www.ush.ithttp://www.ush.it/team/ush/hack_httpd_escape/adv.txtx_refsource_MISC
• www.securityfocus.com37710http://www.securityfocus.com/bid/37710vdb-entryx_refsource_BID
• www.securityfocus.com20100110 Nginx, Varnish, Cherokee, thttpd, mini-httpd, WEBrick, Orion, AOLserver, Yaws and Boa log escape sequence injectionhttp://www.securityfocus.com/archive/1/508830/100/0/threadedmailing-listx_refsource_BUGTRAQ
• securitytracker.com1023429http://securitytracker.com/id?1023429vdb-entryx_refsource_SECTRACK