No exploitation reportedFix available

CVE-2020-2015

Q: Is CVE-2020-2015 actively exploited?

Active exploitation of CVE-2020-2015 has not been confirmed. Its EPSS score was 1.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-2015?

CVE-2020-2015 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2020-05-13
Fixed in9.1.1 · 9.0.7 · 8.1.13 · 7.1.26
WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A buffer overflow vulnerability in the PAN-OS management server allows authenticated users to crash system processes or potentially execute arbitrary code with root privileges. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7; PAN-OS 9.1 versions earlier than 9.1.1; All versions of PAN-OS 8.0.

Timeline

dates in UTC

2020-05-1319:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-2015?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-2015?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Palo Alto PAN-OS

Branch	Affected	Fixed in	Source
9.1	≥ 9.1.0, < 9.1.1	9.1.1	NVD
9.0	≥ 9.0.0, < 9.0.7	9.0.7	NVD
8.1	≥ 8.1.0, < 8.1.13	8.1.13	NVD
7.1	≥ 7.1.0, < 7.1.26	7.1.26	NVD
8.0	≥ 8.0.0, ≤ 8.0.20	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Palo Alto PAN-OS to 9.1.1 · 9.0.7 · 8.1.13 · 7.1.26

Advisories and patches

security.paloaltonetworks.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.18.8read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.09read 2026-10-23
CNAweakness (CWE)CWE-120read 2026-10-23
NVDweakness (CWE)CWE-120read 2026-10-23
FIRST EPSSEPSS score1.9 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2020-05-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-2015?

Is CVE-2020-2015 actively exploited?

Active exploitation of CVE-2020-2015 has not been confirmed. Its EPSS score was 1.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-2015?

CVE-2020-2015 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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