CVE-2021-22894
Ivanti Pulse Connect Secure: Collaboration Suite Buffer Overflow
As of , CVE-2021-22894 in Ivanti Pulse Connect Secure is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 3 November 2021
- US federal deadline
- 3 May 2022181 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.41Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.
CISA's description
A buffer overflow vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room.
The CVE record's description, from hackerone
- CVE published
- 27 May 2021
- Assigned by
- hackerone
- CVSS
- 8.8 High (CVSS 3.1, from CISA-ADP)
- CWE-94
- Improper Control of Generation of Code ('Code Injection')
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
- CISA changed its entry. Deadline moved from 23 April 2021 to 3 May 2022.
Pulse Connect Secure: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2019-11510Arbitrary File Read | Ivanti Pulse Connect Secure | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2020-8260Code Execution | Ivanti Pulse Connect Secure | Patch this weekMetasploit module; EPSS 0.96 | 0.96 | ||
| CVE-2020-8243Code Execution | Ivanti Pulse Connect Secure | Patch this weekEPSS 0.91 | 0.91 | ||
| CVE-2021-22893Use-After-Free | Ivanti Pulse Connect Secure | Patch this weekRansomware use | 0.47 | ||
| CVE-2021-22899Command Injection | Ivanti Pulse Connect Secure | Patch soon | 0.23 | ||
| CVE-2021-22900Unrestricted File Upload | Ivanti Pulse Connect Secure | Patch soon | 0.14 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org