6.5

CVE-2019-13955: mikrotik routeros Uncontrolled Recursion

CVSS: 6.5v3.0MediumModified
Published 26-07-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-13955 is a medium (CVSS 6.5) Uncontrolled Recursion vulnerability in mikrotik routeros. EPSS estimates a 3.75% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
3.75%
0%100%
Low · +0.62 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-07-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Mikrotik RouterOS before 6.44.5 (long-term release tree) is vulnerable to stack exhaustion. By sending a crafted HTTP request, an authenticated remote attacker can crash the HTTP server via recursive parsing of JSON. Malicious code cannot be injected.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.75%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

+0.62 pp

From 3.14% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.75%

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

Mikrotik1 product

1 vendor · 1 product

References

2 links