2.1

CVE-2002-0507: microsoft exchange_server Improper Authentication

CVSS: 2.1v2.0LowModified
Published 11-06-2002Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2002-0507 is a low (CVSS 2.1) Improper Authentication vulnerability in microsoft exchange_server. EPSS estimates a 2.22% chance of exploitation in the next 30 days, higher than 82.3% of scored vulnerabilities.

Overall risk
9/100
0100
Minimal · default modelHow is this calculated?
CVSS score
2.1/10
010
Low · v2.0 (NVD)
EPSS score
2.22%
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. 11-06-2002
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

An interaction between Microsoft Outlook Web Access (OWA) with RSA SecurID allows local users to bypass the SecurID authentication for a previous user via several submissions of an OWA Authentication request with the proper OWA password for the previous user, which is eventually accepted by OWA.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.22%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

0.00 pp

From 2.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.22%

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

Microsoft1 product
  • exchange_serverEOL5.5 | 5.5:sp1 | 5.5:sp2 | 5.5:sp3 | 5.5:sp4 | 2000 | 2000:sp1 | 2000:sp2
Rsa1 product

2 vendors · 2 products

References

3 links