7.5

CVE-2019-11923: facebook mcrouter

CVSS: 7.5v3.1HighModified
Published 04-12-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-11923 is a high (CVSS 7.5) vulnerability in facebook mcrouter. EPSS estimates a 1.45% chance of exploitation in the next 30 days, higher than 73% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.45%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-12-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user-specified length with no maximum length enforced, allowing for resource exhaustion or denial of service.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.45%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.45% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.45%

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

Facebook1 product
  • mcrouter0.41.0 | ≥ unspecified, < 0.41.0 | < 0.41.0

1 vendor · 1 product

References

3 links