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CVE-2018-16948

23
FAUCET Score

CVE-2018-16948 is a high-severity information leakage vulnerability affecting OpenAFS versions prior to 1.6.23 and 1.8.2, including Debian distributions. Uninitialized output variables in several RPC server routines, including the AFSCB service, can leak sensitive memory contents from both the stack and heap. With a CVSS score of 7.5, this vulnerability allows an unauthenticated attacker to remotely access confidential information without user interaction. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.6.23CPE matchmatch criteria
cpe:2.3:a:openafs:openafs:*:*:*:*:*:*:*:*
>= 1.8.0, < 1.8.2CPE matchmatch criteria
cpe:2.3:a:openafs:openafs:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.99%
Probability of exploitation in next 30 days
EPSS Percentile
78.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0199 is in the 62nd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

openafs.org / pages/security/OPENAFS-SA-2018-002.txt
Vendor Advisory
lists.debian.org / debian-lts-announce/2018/09/msg00024.html
Third Party Advisory
debian.org / security/2018/dsa-4302
Third Party Advisory