Week 36, 2021
6–12 September 2021
Newly exploited 0
Added to CISA KEV or flagged as exploited by ENISA this week — patch these first.
No newly exploited vulnerabilities were reported this week.
Critical new vulnerabilities
Published this week with a CVSS score of 9.0 or higher, most likely to be exploited first.
-
Critical 9.8
CVE-2021-40539 Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.EPSS 99%
- Critical 9.8 EPSS 81%
-
Critical 9.1
CVE-2020-11264 Improper authentication of Non-EAPOL/WAPI plaintext frames during four-way handshake can lead to arbitrary network packet injection in Snapdragon Auto, Snapdra…EPSS 13%
Qualcomm · Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wear
-
Critical 9.1
CVE-2020-11301 Improper authentication of un-encrypted plaintext Wi-Fi frames in an encrypted network can lead to information disclosure in Snapdragon Auto, Snapdragon Comput…EPSS 11%
Qualcomm · Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wear
- Critical 9.8 EPSS 6.6%
-
Critical 9.8
CVE-2021-40146 A Remote Code Execution (RCE) vulnerability exists in Apache Any23 YAMLExtractor.javaEPSS 5.7%
- Critical 9.8 EPSS 4.8%
- Critical 9.8 EPSS 3.3%
-
Critical 9.1
CVE-2021-38555 An XML external entity (XXE) injection vulnerability exists in Apache Any23 StreamUtils.javaEPSS 2.8%
-
Critical 9.3
CVE-2021-32802 Preview generation used third-party library not suited for user-generated content in Nextcloud serverEPSS 2.6%
- Critical 9.8 EPSS 2.5%
- Critical 9.9 EPSS 2.3%
- Critical 9.8 EPSS 1.6%
- Critical 9.8 EPSS 1.6%
- Critical 9.8 EPSS 1.6%
Not critical, but likely targeted
New this week with the highest EPSS — a lower CVSS score does not mean nobody will use them.
-
High 8.9
CVE-2021-35217 Insecure Deserialization of untrusted data causing Remote code execution vulnerability.EPSS 73%
-
Medium 5.5
CVE-2021-30657 A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious applicati…EPSS 69%
-
Unscored
CVE-2021-40346 An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker…EPSS 59%
-
Unscored
CVE-2021-40531 Sketch before 75 allows library feeds to be used to bypass file quarantine. Files are automatically downloaded and opened, without the com.apple.quarantine ext…EPSS 33%
-
Unscored
CVE-2021-30721 A path handling issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 202…EPSS 24%
- High 8.4 EPSS 17%
-
Unscored
CVE-2021-38408 A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the length of user-supplied…EPSS 12%
-
High 8.8
CVE-2021-30762 A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. Processing maliciously crafted web content may lead to…EPSS 11%
Advisories
- SUSE / openSUSE Security Updates 32
- Ubuntu Security Notices (USN) 15
- Amazon Linux Security Center (ALAS) 10
- Debian Security (DSA / DLA) 8
- CISA ICS & IT advisories 51 critical
- BSI CERT-Bund (WID) 4
- Oracle Linux Security Advisories (ELSA) 4
- Rocky Linux Security Advisories 2
- Microsoft Security Response Center 2
- AlmaLinux Security Advisories 1
- ICSA-21-252-03 Mitsubishi Electric Europe B.V. smartRTU and INEA ME-RTU 7 CVEs