CVE-2020-8206

CVE-2020-8206 is a high-severity vulnerability in Ivanti Connect Secure with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

• Severity: High (CVSS 3.x base score 8.1)
• CVSS v2: 6.8
• EPSS exploit prediction: 3% (86th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-287
• Affected product: Ivanti Connect Secure
• Published: 2020-07-30
• Last modified: 2026-06-17

Description

An improper authentication vulnerability exists in Pulse Connect Secure <9.1RB that allows an attacker with a users primary credentials to bypass the Google TOTP.

Frequently asked questions

What is CVE-2020-8206?

An improper authentication vulnerability exists in Pulse Connect Secure <9.1RB that allows an attacker with a users primary credentials to bypass the Google TOTP.

How severe is CVE-2020-8206?

CVE-2020-8206 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-8206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8206?

CVE-2020-8206 primarily affects Ivanti Connect Secure. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-8206?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-8206 published?

CVE-2020-8206 was published on 2020-07-30 and last updated on 2026-06-17.

References

• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516

Affected products (24)

• cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
• cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:-:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r3:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r3.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r4:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r4.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r4.2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r5:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r6:*:*:*:*:*:*
• cpe:2.3:a:ivanti:policy_secure:9.1:r7:*:*:*:*:*:*
• cpe:2.3:a:pulsesecure:pulse_policy_secure:*:*:*:*:*:*:*:*

More vulnerabilities in Ivanti Connect Secure

• CVE-2021-22893 — Critical (CVSS 10.0): Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the…
• CVE-2019-11510 — Critical (CVSS 10.0): In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an…
• CVE-2016-4787 — Critical (CVSS 10.0): Pulse Connect Secure (PCS) 8.2 before 8.2r1, 8.1 before 8.1r2, 8.0 before 8.0r10, and 7.4 before 7.4r13.4 allow remote…
• CVE-2025-22467 — Critical (CVSS 9.9): A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6 allows a remote authenticated attacker…
• CVE-2024-21894 — Critical (CVSS 9.8): A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows…
• CVE-2018-20813 — Critical (CVSS 9.8): An input validation issue has been found with login_meeting.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R2.

All CVEs affecting Ivanti Connect Secure →

Other CWE-287 (Improper Authentication) vulnerabilities

• CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
• CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
• CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
• CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
• CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →