CVE-2021-35940 is an out-of-bounds array read vulnerability affecting Apache Portable Runtime (APR) version 1.7.0, specifically within the apr_time_exp*() functions. This regression, originally fixed in APR 1.6.3 (CVE-2017-12613), impacts products utilizing this vulnerable APR version, including Apache HTTP Server and Oracle HTTP Server. With a CVSS score of 7.1 (HIGH), this vulnerability can be exploited locally with low attack complexity and no user interaction, potentially leading to high confidentiality and availability impacts. The EPSS score indicates a very low probability of exploitation in the wild. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting a low level of public awareness or concern.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.7.0CPE matchmatch criteria | cpe:2.3:a:apache:portable_runtime:1.7.0:*:*:*:*:*:*:* | ||
12.2.1.3.0CPE matchmatch criteria | cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:* | ||
12.2.1.4.0CPE matchmatch criteria | cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.