9.8

CVE-2017-15883: progress sitefinity Improper Authentication

CVSS: 9.8v3.0CriticalModified
Published 08-01-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-15883 is a critical (CVSS 9.8) Improper Authentication vulnerability in progress sitefinity. EPSS estimates a 1.90% chance of exploitation in the next 30 days, higher than 79.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.90%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-01-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Sitefinity 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x allow remote attackers to bypass authentication and consequently cause a denial of service on load balanced sites or gain privileges via vectors related to weak cryptography.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.90%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

+0.18 pp

From 1.71% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.90%

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

Progress1 product
  • sitefinity5.1 | 5.2 | 5.3 | 5.4 | 6.0 | 6.1 | 6.2 | 6.3 | 7.0 | 7.1 | 7.2 | 7.3 | 8.0 | 8.1 | 8.2 | 9.0 | 9.1 | 9.2 | 10.0 | 10.1

1 vendor · 1 product

References

2 links