CVE-2020-1987

VPN cookie disclosure via Dump-level logging

Published Apr 8, 2020 · Updated Sep 16, 2024

Information exposure in Palo Alto Networks GlobalProtect App 5.0 before 5.0.9 and 5.1 before 5.1.1 allows local users to read VPN cookies. The logging component writes VPN cookie information into troubleshooting logs when the logging level is set to Dump. Exploitation requires local authenticated access and a Dump-level troubleshooting configuration; only VPN cookie confidentiality is affected.

CVSS severity2.8
Low
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information exposure in Palo Alto Networks GlobalProtect App 5.0 before 5.0.9 and 5.1 before 5.1.1 allows local users to read VPN cookies. The logging component writes VPN cookie information into troubleshooting logs when the logging level is set to Dump. Exploitation requires local authenticated access and a Dump-level troubleshooting configuration; only VPN cookie confidentiality is affected.

The record

CVE
CVE-2020-1987
Published
Apr 8, 2020
Updated
Sep 16, 2024
Vendor
Palo Alto Networks
Product
GlobalProtect App
Classifications
CWE-215, CWE-532, T1552.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 8, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.0 <5.0.9 changes=[{"at":"5.0.9","status":"unaffected"}]
  2. Affected versionversion=5.1 <5.1.1 changes=[{"at":"5.1.1","status":"unaffected"}]

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Palo Alto Networks · GlobalProtect Appversion=5.0 <5.0.9 changes=[{"at":"5.0.9","status":"unaffected"}]; version=5.1 <5.1.1 changes=[{"at":"5.1.1","status":"unaffected"}]

Published CVSS scores

3.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.8Palo Alto NetworksCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-215Information Exposure Through Debug Information
CWE-532Insertion of Sensitive Information into Log File
T1552.001Unsecured Credentials: Credentials In Files

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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