CVE-2020-9819
Apple iOS, iPadOS, and watchOS: Memory Corruption
As of , CVE-2020-9819 in Apple iOS, iPadOS, and watchOS 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
- 0.02Higher than 81% 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
Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message.
CISA's description
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption.
The CVE record's description, from apple
- CVE published
- 9 June 2020
- Assigned by
- apple
- CVSS
- 4.3 Medium (CVSS 3.1, from CISA-ADP)
- CWE-787
- Out-of-bounds Write
- 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.
iOS, iPadOS, and watchOS: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2021-1879WebKit Cross-Site Scripting (XSS) | Apple iOS, iPadOS, and watchOS | Patch soon | 0.07 | ||
| CVE-2023-41061Wallet Code Execution | Apple iOS, iPadOS, and watchOS | Patch soon | 0.04 | ||
| CVE-2020-9818Out-of-Bounds Write | Apple iOS, iPadOS, and watchOS | Patch soon | 0.02 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org