6.1

CVE-2017-9781: check_mk_project check_mk Cross-site Scripting

CVSS: 6.1v3.0MediumModified
AliasesUBUNTU-CVE-2017-9781
Published 21-06-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-9781 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in check_mk_project check_mk. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 74.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (NVD)
EPSS score
1.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
USN-5527-1USN-5527-2

Timeline

  1. 21-06-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject arbitrary HTML or JavaScript via the _username parameter when attempting authentication to webapi.py, which is returned unencoded with content type text/html.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.56%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (tenable.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Check_mk_project1 product
  • check_mk1.4.0 | 1.4.0:p1 | 1.4.0:p2 | 1.4.0:p3 | 1.4.0:p4 | 1.4.0:p5
Ubuntu1 product
  • check-mk< 1.2.6p12-1ubuntu0.16.04.1+esm1 | < 1.2.8p16-1ubuntu0.2

2 vendors · 2 products

References

7 links