CVE-2024-34740

HIGHNVD 7.87.7▼
EchelonGraph scoreMEDIUM confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2024-08-16. NVD baseline CVSS 7.8; sources differ by 0.1.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, nvd
Elevated
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In attributeBytesBase64 and attributeBytesHex of BinaryXmlSerializer.java, there is a possible arbitrary XML injection due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS v3
7.8
EG Score
7.7(medium)
EG Risk
—
EPSS
4.4%
KEV
Not listed

Published

August 15, 2024

Last Modified

December 17, 2024

References (3)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 43× 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.

  1. 2026-07-22 14:07 UTCEPSS rescore
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  68. 2026-05-23 12:41 UTCEG score recompute
  69. 2026-05-23 12:41 UTCGHSA enrichment

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 PoCmichalbednarski/AbxOverflow
    First seen Oct 8, 2025

    Writeup and exploit for CVE-2024-34740, integer overflow in Android's BinaryXmlSerializer to system_server file write and then to system_server code execution from normal installed app

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2024-34740?
CVE-2024-34740 is a high vulnerability published on August 15, 2024. In attributeBytesBase64 and attributeBytesHex of BinaryXmlSerializer.java, there is a possible arbitrary XML injection due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
When was CVE-2024-34740 disclosed?
CVE-2024-34740 was first published in the National Vulnerability Database on August 15, 2024, with the most recent update on December 17, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-34740 actively exploited?
CVE-2024-34740 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-34740?
CVE-2024-34740 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.7.
How do I remediate CVE-2024-34740?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-34740, 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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