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CVE-2023-49582

19
FAUCET Score

CVE-2023-49582 is a local information disclosure vulnerability affecting the Apache Portable Runtime (APR) library on Unix platforms. It allows local users to read sensitive application data from named shared memory segments due to lax permissions. The vulnerability has a CVSS score of 5.5 (Medium), indicating a low attack complexity and requiring local access, but with high confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE. Users are advised to upgrade to APR version 1.7.5 to remediate this issue.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.9.0, < 1.7.5CPE matchmatch criteria
cpe:2.3:a:apache:portable_runtime:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 82nd percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (13)

microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: 20069-17086Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: 18089-16823Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: 18090-17084Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: 20064-17084Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: azl3 apr 1.7.4-1 on Azure Linux 3.0Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: cbl2 apr 1.7.2-2 on CBL Mariner 2.0Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: cbl2 apr 1.7.5-1 on CBL Mariner 2.0Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: azl3 apr 1.7.5-1 on Azure Linux 3.0Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 1.7.5-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 1.7.5-1
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: apr

Vendor Advisories (3)

microsoft2024-Nov/CVE-2023-49582

CVE-2023-49582

Nov 12, 2024
redhatCVE-2023-49582Moderate

APR: Lax permissions in Apache Portable Runtime shared memory

Aug 26, 2024
microsoft2024-Aug/CVE-2023-49582Moderate

Apache Portable Runtime (APR): Unexpected lax shared memory permissions

Aug 13, 2024

References

security.netapp.com / advisory/ntap-20241101-0004
openwall.com / lists/oss-security/2024/08/26/1
lists.apache.org / thread/sntjc04t1rvjhdzz2tzmtz2zdnmv7dc4
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