9.8

CVE-2020-18685: atlassian floodlight Improper Input Validation

Modified
Published 30-09-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-18685 is a critical (CVSS 9.8) Improper Input Validation vulnerability in atlassian floodlight. EPSS estimates a 1.29% chance of exploitation in the next 30 days, higher than 70.3% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (reference, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Timeline

  1. 30-09-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of unchecked prerequisites related to TCP or UDP ports, or group or table IDs.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.29%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.29% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (drive.google.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian1 product

1 vendor · 1 product

References

1 links