CVE-2009-3421

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

4.99% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 91.5% 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 2026-06-16.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2009-09-25 22:00Z16 YR AGO

Last updated

2024-08-07 06:31Z2 YR AGO

Reserved

2009-09-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

7cfdc8084166eb6ca64391b867c137adc7e16c5324bad15e06a5277c13f4a496

• exchange.xforce.ibmcloud.compaobachecaguestbook-login-sec-bypass(52100)https://exchange.xforce.ibmcloud.com/vulnerabilities/52100vdb-entryx_refsource_XF
• www.exploit-db.com9293http://www.exploit-db.com/exploits/9293exploitx_refsource_EXPLOIT-DB
• www.osvdb.org56757http://www.osvdb.org/56757vdb-entryx_refsource_OSVDB
• secunia.com36023http://secunia.com/advisories/36023third-party-advisoryx_refsource_SECUNIA