7.5

CVE-2018-18853: lightbend spray-json Uncontrolled Resource Consumption

CVSS: 7.5v3.0HighModified
AliasesGHSA-f94m-mqhr-mc29
Published 31-10-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-18853 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in lightbend spray-json. EPSS estimates a 1.90% chance of exploitation in the next 30 days, higher than 79.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 31-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Lightbend Spray spray-json through 1.3.4 allows remote attackers to cause a denial of service (resource consumption) because of Algorithmic Complexity during the parsing of a field composed of many decimal digits.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.90%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.90% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Spray Json

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Io.spray3 products
  • spray-json_2.10< 1.3.5
  • spray-json_2.11< 1.3.5
  • spray-json_2.12< 1.3.5
Lightbend1 product

2 vendors · 4 products

References

4 links