8.6

CVE-2021-23664: isomorphic-git cors-proxy Server-Side Request Forgery (SSRF)

CVSS: 8.6v3.1HighModified
AliasesGHSA-v82v-rq72-phq9SNYK-JS-ISOMORPHICGITCORSPROXY-1734788
Published 21-01-2022Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-23664 is a high (CVSS 8.6) Server-Side Request Forgery (SSRF) vulnerability in isomorphic-git cors-proxy. EPSS estimates a 1.39% chance of exploitation in the next 30 days, higher than 71.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v3.1 (CVE.org)
EPSS score
1.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 21-01-2022
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

The package @isomorphic-git/cors-proxy before 2.7.1 are vulnerable to Server-side Request Forgery (SSRF) due to missing sanitization and validation of the redirection action in middleware.js.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.39%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.39% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

@isomorphic-git1 product
  • cors-proxy< 2.7.1
Isomorphic-git1 product

2 vendors · 2 products

References

4 links