CVE-2022-48565

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-08-22. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

An XML External Entity (XXE) issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity declarations in XML plist files to avoid XML vulnerabilities.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
90.4%
KEV
Not listed

Published

August 22, 2023

Last Modified

November 21, 2024

Advisory Details (7)

Auto-updated May 24, 2026
Patch available.
generic Patch Available

[SECURITY] [DLA 3614-1] python3.7 security update

https://lists.debian.org/debian-lts-announce/2023/10/msg00017.html
generic Patch Available

[SECURITY] [DLA 3575-1] python2.7 security update

https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html
generic

Issue 42051: [security] Avoid plistlib XML vulnerabilities by rejecting entity directives - Python tracker

https://bugs.python.org/issue42051
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20231006-0007/
generic

[SECURITY] Fedora 37 Update: python2.7-2.7.18-35.fc37 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KZRZRJHWLZ7MOJNPQBWGJVXMVYDC5BRA/
generic

[SECURITY] Fedora 39 Update: python2.7-2.7.18-35.fc39 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BAYWJD576JUKLHCWKDLMJSUGTRDKPF3M/
generic

[SECURITY] Fedora 38 Update: python2.7-2.7.18-35.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFHYAGWBFBNUGWU6XWKBHTCV5NH77MB7/

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupython2.7-minimal (2.7.18-13ubuntu1.5) @ jammy2026-05-24ubuntu
ubuntupython3.5-venv (3.5.2-2ubuntu0~16.04.13+esm13) @ xenial2026-05-24ubuntu
ubuntupython3.5-venv (3.5.2-2ubuntu0~16.04.13+esm9) @ xenial2026-05-24ubuntu
redhatpython27:2.7-8100020240208011952.5f0f67de2024-05-22redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 15× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCEinstein2150/CVE-2022-48565-POC
    First seen Oct 22, 2024

    A proof-of-concept for CVE-2022-48565 - python plistlib XML deserialisation attack

    Open source ↗

Frequently asked(5)

What is CVE-2022-48565?
CVE-2022-48565 is a critical vulnerability published on August 22, 2023. An XML External Entity (XXE) issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity declarations in XML plist files to avoid XML vulnerabilities.
When was CVE-2022-48565 disclosed?
CVE-2022-48565 was first published in the National Vulnerability Database on August 22, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-48565 actively exploited?
CVE-2022-48565 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-48565?
CVE-2022-48565 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-48565?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-48565, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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