CVE-2020-15069

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.107 · 96 %ileDEEUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

10.7% (96th) EPSS

CVSS 7.5 · high

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

added 2025-02-06remediate by 2025-02-27

required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-24

Sophos XG Firewall Buffer Overflow Vulnerability

Sophos XG Firewall 17.x through v17.5 MR12 allows a Buffer Overflow and remote code execution via the HTTP/S Bookmarks feature for clientless access. Hotfix HF062020.1 was published for all firewalls running v17.x.

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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

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)

ssvc

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

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USprimary

affected products (5)

Products and version ranges known to be affected.

Sophos XG Firewall <=17.5 MR12all versionscert_bundDE
Sophos XG Firewall≤ 17.5 MR12cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
sophos xg firewall firmware17.0 → 17.5nvdUScpe:2.3:o:sophos:xg_firewall_firmware:*:*:*:*:*:*:*:*
sophos xg firewall firmware= 17.5nvdUScpe:2.3:o:sophos:xg_firewall_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0288Sophos XG Firewall: Schwachstelle ermöglicht CodeausführungDeutsch2020-06-29csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Sophos XG Firewall ausnutzen, um beliebigen Programmcode auszuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2020-06-29modified 2026-06-17

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+5654 more

references (7)

External citations — patches, advisories, analysis.

scry

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