What is CVE-2017-1000034?

CVE-2017-1000034 is a high-severity vulnerability in Akka, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2017-07-17.

How severe is CVE-2017-1000034?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2017-1000034 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Akka

CVE-2017-1000034

Akka versions <=2.4.16 and 2.5-M1 are vulnerable to a java deserialization attack in its Remoting component resulting in remote code execution in the context of the ActorSystem.

Vulnerability class: Insecure Deserialization

Published 2017-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.062 (93.3th percentile), scored 2026-10-08.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.062 · newest: 0.062 · change: 0.000

Affected products

Akka — versions 2.5

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

doc.akka.io/docs/akka/2.4/security/2017-02-10-java-serialization.html (Vendor Advisory)

Frequently asked questions

What is CVE-2017-1000034?: CVE-2017-1000034 is a high-severity vulnerability in Akka, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2017-07-17.
How severe is CVE-2017-1000034?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-1000034 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.