7.5

CVE-2020-7733: Regular Expression Denial of Service (ReDoS)

Modified
AliasesUBUNTU-CVE-2020-7733GHSA-662x-fhqg-9p8v
Published 16-09-2020Last modified 17-09-2024

Vulnerability summary

CVE-2020-7733 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in oracle communications_cloud_native_core_network_function_cloud_native_environment. EPSS estimates a 4.48% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Prioritisepublic exploit

Public exploit (reference, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
4.48%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3reference

Advisory lineage

Upstream 0 · Downstream 2
RHSA-2021:2865RHSA-2021:4626

Timeline

  1. 16-09-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

The package ua-parser-js before 0.7.22 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex for Redmi Phones and Mi Pad Tablets UA.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

4.48%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.48% 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

3 found
  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (snyk.io)

    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.

Npm1 product
  • ua-parser-js< 0.7.22
Oracle1 product
Ua-parser-js_project1 product
Ubuntu1 product
  • node-ua-parser-jsAll versions (No fix recorded)

4 vendors · 4 products

References

8 links