How severe is CVE-2022-3457?

CVE-2022-3457 has a CVSS score of 3.7/10, rated LOW. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2022-3457?

CVE-2022-3457 affects the following packages: rdiffweb (PyPI). Ecosystems affected: PyPI.

How do I fix CVE-2022-3457?

Update rdiffweb to 2.5.0a5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-3457 is resolved across your whole dependency graph.

How do I detect CVE-2022-3457 in my PyPI dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for rdiffweb. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

How do I mitigate CVE-2022-3457 if there is no patch (or I can't update yet)?

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.

How does O3 Security protect against CVE-2022-3457?

O3 pinpoints whether CVE-2022-3457 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Is CVE-2022-3457 actively exploited in the wild?

No public exploit code has been indexed for CVE-2022-3457 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What type of vulnerability is CVE-2022-3457?

CVE-2022-3457 is classified as CWE-346 (CWE-346). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2022-3457 published, and has it been updated?

CVE-2022-3457 was published on October 13, 2022 and was last updated on July 15, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐍 PyPI

CVE-2022-3457

LOW

CVE-2022-3457 is a low-severity (CVSS 3.7) CWE-346 vulnerability in rdiffweb. O3 Security confirms whether CVE-2022-3457 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Origin Validation Error in ikus060/rdiffweb

Also known asGHSA-824x-jcxf-hpfgPYSEC-2022-43161

Published

Oct 13, 2022

Updated

Jul 15, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Blast Radius

1 pkg affected

🐍rdiffweb

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

Description

Origin Validation Error in GitHub repository ikus060/rdiffweb prior to 2.5.0a5.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐍PyPI	`rdiffweb`	all versions	2.5.0a5

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for rdiffweb. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update rdiffweb to 2.5.0a5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-3457 is resolved across your whole dependency graph.
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.
How O3 protects you
O3 pinpoints whether CVE-2022-3457 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2022-3457. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Origin Validation Error in GitHub repository ikus060/rdiffweb prior to 2.5.0a5.

O3 Security · Impact-Aware SCA

Is CVE-2022-3457 in your dependencies?

O3 detects CVE-2022-3457 across PyPI dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my dependencies How O3 SCA works