9.8

CVE-2001-1496: acme thttpd Off-by-one Error

CVSS: 9.8v3.1CriticalModified
Published 21-06-2005Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2001-1496 is a critical (CVSS 9.8) Off-by-one Error vulnerability in acme thttpd. EPSS estimates a 4.84% chance of exploitation in the next 30 days, higher than 91.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
4.84%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-06-2005
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attackers to cause a denial of service and possibly execute arbitrary code.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

4.84%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 4.84% on 20-09-2026

20-09-202620-10-2026
EPSS score
4.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Acme1 product

1 vendor · 1 product

References

4 links