CVE-2023-48308: nextcloud calendar
CVSS: 6.5v3.1MediumModified
Published 21-12-2023Last modified 27-11-2024
Vulnerability summary
CVE-2023-48308 is a medium (CVSS 6.5) vulnerability in nextcloud calendar. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 44.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
0.55%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-12-2023PublishedVulnerability first disclosed.
- 27-11-2024Last modifiedVulnerability information updated.
Description
Nextcloud/Cloud is a calendar app for Nextcloud. An attacker can gain access to stacktrace and internal paths of the server when generating an exception while editing a calendar appointment. It is recommended that the Nextcloud Calendar app is upgraded to 4.5.3
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSources2 sources · 3.5–6.5
- CVE.orgCNA3.5LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
0.00 pp
From 0.55% on 20-09-2026
20-09-202620-10-2026
EPSS score0.55%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1258Exposure of Sensitive System Information Due to Uncleared Debug InformationThe hardware does not fully clear security-sensitive values, such as keys and intermediate values in cryptographic operations, when debug mode is entered.
- CWE-212Improper Removal of Sensitive Information Before Storage or TransferThe product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.
Affected systems
Nextcloud2 products
- calendar≥ 3.0.0, < 4.5.3
- security-advisories≥ 3.0.0, < 4.5.3
1 vendor · 2 products
References
2 links- github.com/nextcloud/security-advisories/security/advisories/GHSA-fv3c-qvjr-5rv8X Refsource CONFIRMVendor Advisory