01 Record
CVE-2000-0990
cmd5checkpw 0.21 and earlier allows remote attackers to cause a denial of service via an "SMTP AUTH" command with an unknown username.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
cmd5checkpw 0.21 and earlier allows remote attackers to cause a denial of service via an "SMTP AUTH" command with an unknown username.
03 Exploitation and scoring
- 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
- 1.58% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 75.1% 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 2026-09-23.
- 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.
04 Metadata
- Published
- 2001-01-22 05:00Z25 YR AGO
- Last updated
- 2024-08-08 05:37Z2 YR AGO
- Reserved
- 2000-11-24
- 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
- b1bb45ddad3529d674c6666e65ddba1f68d9e5d529d9cc218ee1b829c872e5e4
05 Affected products
VendorProductVersionsPlatforms
06 References
- exchange.xforce.ibmcloud.comcmd5checkpw-qmail-bypass-authentication(5382)https://exchange.xforce.ibmcloud.com/vulnerabilities/5382
- www.securityfocus.com1809http://www.securityfocus.com/bid/1809
- archives.neohapsis.com20001016 Authentication failure in cmd5checkpw 0.21http://archives.neohapsis.com/archives/bugtraq/2000-10/0258.html
- members.elysium.plhttp://members.elysium.pl/brush/cmd5checkpw/changes.html