Buffer overflow in Ivanti Connect Secure
CVE-2021-22934
A vulnerability in Pulse Connect Secure before 9.1R12 could allow an authenticated administrator or compromised Pulse Connect Secure device in a load-balanced configuration to perform a buffer overflow via a malicious crafted web request.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.047 (91.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Ivanti Connect Secure — versions 9.1
- Pulsesecure Pulse Connect Secure
- Pulse Connect Secure — versions Fixed in 9.1R12
Weakness classification (CWE)
References
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44858/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22934?
- CVE-2021-22934 is a high-severity vulnerability in Ivanti Connect Secure, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.2/10. Published 2021-08-16.
- How severe is CVE-2021-22934?
- High severity. CVSS v3 base score is 7.2 out of 10.