5.3

CVE-2021-23345: gotenberg Chainguard Server-Side Request Forgery (SSRF)

CVSS: 5.3v3.1MediumModified
AliasesCGA-c74r-p3jj-fh45CGA-hjwj-xq25-hg78
Published 26-02-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-23345 is a medium (CVSS 5.3) Server-Side Request Forgery (SSRF) vulnerability in gotenberg Chainguard. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.9% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference

Timeline

  1. 26-02-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

All versions of package github.com/thecodingmachine/gotenberg are vulnerable to Server-side Request Forgery (SSRF) via the /convert/html endpoint when the src attribute of an HTML element refers to an internal system file, such as <iframe src='file:///etc/passwd'>.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.09%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.09% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Gotenberg

    Maturity: poc

  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Chainguard1 product
  • gotenbergAll versions (No fix recorded)

1 vendor · 1 product

References

2 links