9.8

CVE-2020-18684: atlassian floodlight Integer Overflow or Wraparound

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

Vulnerability summary

CVE-2020-18684 is a critical (CVSS 9.8) Integer Overflow or Wraparound 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 an integer overflow in checkFlow in StaticFlowEntryPusherResource.java via priority or port number.

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