CVE-2020-8260 (GCVE-0-2020-8260)

Vulnerability from cvelistv5 – Published: 2020-10-28 12:47 – Updated: 2025-10-21 23:35
VLAI CISA Previdian
Summary
A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using uncontrolled gzip extraction.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-07 12:32 UTC
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type (CWE-434)
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a Pulse Connect Secure / Pulse Policy Secure Affected: 9.1R9
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: df532b07-42cc-47d0-ab2c-995432875a21

Vulnerability ID: CVE-2020-8260

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEV entry: Ivanti Pulse Connect Secure Code Execution Vulnerability | Affected: Ivanti / Pulse Connect Secure | Description: Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to perform code execution using uncontrolled gzip extraction. | Required action: Apply updates per vendor instructions. | Due date: 2022-05-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2020-8260
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-434
Feed CISA Known Exploited Vulnerabilities Catalog
Product Pulse Connect Secure
Due Date 2022-05-03
Date Added 2021-11-03
Vendorproject Ivanti
Vulnerabilityname Ivanti Pulse Connect Secure Code Execution Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:29 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 594db531-b157-48a5-be69-0f8e4fb6e5e8

Vulnerability ID: CVE-2020-8260

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEVIntel entry: A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code... | Affected: Pulse Secure / Pulse Connect Secure / Pulse Policy Secure | CVSS: 7.2 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code...
Vendor Pulse Secure
Product Pulse Connect Secure / Pulse Policy Secure
Added Date 2021-11-03T00:00:00.000Z
Cvss Score 7.2
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:04 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.