CVE-1999-0154

mediumpriority · track · 44EPSS 0.400 · 99 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

40.0% (99th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

IIS 2.0 and 3.0 allows remote attackers to read the source code for ASP pages by appending a . (dot) to the end of the URL.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

CWE-200USLLM-inferred

Public proof-of-concept and weaponised exploit code.

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft internet information server= 3.0nvdUScpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*
microsoft internet information services= 2.0nvdUScpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:*

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 1999-12-31modified 2026-06-16

External citations — patches, advisories, analysis.

scry

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