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CRITICAL severity

GHSA-mg2c-rc36-p594 trafficcontrol

CRITICAL

GHSA-mg2c-rc36-p594 is a critical-severity (CVSS 9.8) CWE-90 vulnerability in github.com/apache/trafficcontrol. A fix is available for github.com/apache/trafficcontrol — see the affected versions and patch details below.

Apache Traffic Control Traffic Ops Vulnerable to LDAP Injection

Also known asCVE-2021-43350GO-2024-2776
Published
May 24, 2022
Updated
Jun 10, 2024
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Sep 21, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
4.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs92th percentile — riskier than 92% of all scored CVEsHighest risk

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

How urgent is this, really

GHSA-mg2c-rc36-p594 plotted by exploitation likelihood (EPSS) against impact (CVSS). The shaded corner — EPSS 50%+ and CVSS 7.0+ — is where this CVE doesn't sit, though severity or exploitability alone can still warrant action.

Where this sits among everything scored

Of 377,636 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Real counts from FIRST.org, not a sample — log-scaled since the landscape is heavily right-skewed.

Real-World Exposure

2 pkgs affected
🐹github.com/apache/trafficcontrol🐹github.com/apache/trafficcontrol

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

An unauthenticated Apache Traffic Control Traffic Ops user can send a request with a specially-crafted username to the POST /login endpoint of any API version to inject unsanitized content into the LDAP filter.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/apache/trafficcontrol6.0.0&&< 6.0.16.0.1go get github.com/apache/trafficcontrol@v6.0.1
🐹Gogithub.com/apache/trafficcontrol5.1.0&&< 5.1.45.1.4go get github.com/apache/trafficcontrol@v5.1.4

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/apache/trafficcontrol, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update github.com/apache/trafficcontrol to 6.0.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-mg2c-rc36-p594 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-mg2c-rc36-p594 can be triaged on real exposure rather than presence alone.

Tailored to GHSA-mg2c-rc36-p594. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

An unauthenticated Apache Traffic Control Traffic Ops user can send a request with a specially-crafted username to the POST `/login` endpoint of any API version to inject unsanitized content into the LDAP filter.
O3 Security · Impact-Aware SCA

Is GHSA-mg2c-rc36-p594 in your dependencies?

O3 Security finds GHSA-mg2c-rc36-p594 across Go dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-mg2c-rc36-p594: trafficcontrol | O3 Security