CVE-2017-5645

highpriority · act · 80EPSS 0.898 · 100 %ileexploit · PoCDEEURUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
2 exploits · PoC
Likely / severe?
89.8% (100th) EPSS
CVSS 7.5 · high
Is it mine?
327 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV
v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

exploits (2)

Public proof-of-concept and weaponised exploit code.

05

affected products (327)

Products and version ranges known to be affected.

showing 20 of 327
06

advisories (4)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2024-2008Oracle Virtualization: Mehrere SchwachstellenDeutsch2018-01-16csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Secure Global Desktop und Oracle VM Virtual Box ausnutzen, um die Verfügbarkeit, Vertraulichkeit und Integrität zu gefährden.

  • WID-SEC-W-2024-2181Oracle Fusion Middleware: Mehrere SchwachstellenDeutsch2020-07-14csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Oracle Fusion Middleware ausnutzen, um die Verfügbarkeit, Vertraulichkeit und Integrität zu gefährden.

  • WID-SEC-W-2025-1212Oracle Communications Applications: Mehrere SchwachstellenDeutsch2019-04-16csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Oracle Communications Applications ausnutzen, um dadurch die Integrität, Vertraulichkeit und Verfügbarkeit zu gefährden.

  • GHSA-fxph-q3j8-mv87Deserialization of Untrusted Data in Log4j2020-01-06ghsa · osvUS

    In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

10

references (262)

External citations — patches, advisories, analysis.

scry

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