7.5

CVE-2022-27810: facebook hermes Uncontrolled Recursion

CVSS: 7.5v3.1HighModified
Published 06-10-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-27810 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in facebook hermes. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58.1% 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
0.86%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-10-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

It was possible to trigger an infinite recursion condition in the error handler when Hermes executed specific maliciously formed JavaScript. This condition was only possible to trigger in dev-mode (when asserts were enabled). This issue affects Hermes versions prior to v0.12.0.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.86%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

+0.06 pp

From 0.80% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.86%

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
  • hermes≥ unspecified, < 0.12.0 | < 0.12.0

1 vendor · 1 product

References

1 links