CVE-2015-7762

rx/rx.c in OpenAFS before 1.6.15 and 1.7.x before 1.7.33 does not properly initialize the padding of a data structure when constructing an Rx acknowledgement (ACK) packet, which allows remote attackers to obtain sensitive information by (1) conducting a replay attack or (2) sniffing the network.

Published: 2015-11-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-7762 is rated Moderate Risk (49.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.13%). EPSS rose +1.63% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-7762

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.50% 2.13% +1.63%
2 2025-03-30 0.94% 0.50% -0.44%
3 2025-03-29 — 0.94% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7762

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-7762

OS Trackers for CVE-2015-7762

vendor priority summary link
debian not yet assigned CVE-2015-7762 not yet assigned priority: Debian including 1 source packages (openafs), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2015-7762
ubuntu medium CVE-2015-7762 medium priority: Ubuntu including 1 source packages (openafs), 6 status rows across 6 suites (precise, trusty, upstream, vivid, wily, xenial): released 3, ignored 2, not-affected 1. https://ubuntu.com/security/CVE-2015-7762

Affected software / configurations for CVE-2015-7762

Vendor Product Version Raw CPE
openafs openafs <= 1.6.14.1 cpe:2.3:a:openafs:openafs:*:*:*:*:*:*:*:*
openafs openafs 1.7.1 cpe:2.3:a:openafs:openafs:1.7.1:*:*:*:*:*:*:*
openafs openafs 1.7.2 cpe:2.3:a:openafs:openafs:1.7.2:*:*:*:*:*:*:*
openafs openafs 1.7.3 cpe:2.3:a:openafs:openafs:1.7.3:*:*:*:*:*:*:*
openafs openafs 1.7.4 cpe:2.3:a:openafs:openafs:1.7.4:*:*:*:*:*:*:*
openafs openafs 1.7.8 cpe:2.3:a:openafs:openafs:1.7.8:*:*:*:*:*:*:*
openafs openafs 1.7.10 cpe:2.3:a:openafs:openafs:1.7.10:*:*:*:*:*:*:*
openafs openafs 1.7.11 cpe:2.3:a:openafs:openafs:1.7.11:*:*:*:*:*:*:*
openafs openafs 1.7.12 cpe:2.3:a:openafs:openafs:1.7.12:*:*:*:*:*:*:*
openafs openafs 1.7.13 cpe:2.3:a:openafs:openafs:1.7.13:*:*:*:*:*:*:*
openafs openafs 1.7.14 cpe:2.3:a:openafs:openafs:1.7.14:*:*:*:*:*:*:*
openafs openafs 1.7.15 cpe:2.3:a:openafs:openafs:1.7.15:*:*:*:*:*:*:*
openafs openafs 1.7.16 cpe:2.3:a:openafs:openafs:1.7.16:*:*:*:*:*:*:*
openafs openafs 1.7.17 cpe:2.3:a:openafs:openafs:1.7.17:*:*:*:*:*:*:*
openafs openafs 1.7.18 cpe:2.3:a:openafs:openafs:1.7.18:*:*:*:*:*:*:*
openafs openafs 1.7.19 cpe:2.3:a:openafs:openafs:1.7.19:*:*:*:*:*:*:*
openafs openafs 1.7.20 cpe:2.3:a:openafs:openafs:1.7.20:*:*:*:*:*:*:*
openafs openafs 1.7.21 cpe:2.3:a:openafs:openafs:1.7.21:*:*:*:*:*:*:*
openafs openafs 1.7.22 cpe:2.3:a:openafs:openafs:1.7.22:*:*:*:*:*:*:*
openafs openafs 1.7.23 cpe:2.3:a:openafs:openafs:1.7.23:*:*:*:*:*:*:*
openafs openafs 1.7.24 cpe:2.3:a:openafs:openafs:1.7.24:*:*:*:*:*:*:*
openafs openafs 1.7.25 cpe:2.3:a:openafs:openafs:1.7.25:*:*:*:*:*:*:*
openafs openafs 1.7.26 cpe:2.3:a:openafs:openafs:1.7.26:*:*:*:*:*:*:*
openafs openafs 1.7.27 cpe:2.3:a:openafs:openafs:1.7.27:*:*:*:*:*:*:*
openafs openafs 1.7.28 cpe:2.3:a:openafs:openafs:1.7.28:*:*:*:*:*:*:*
openafs openafs 1.7.29 cpe:2.3:a:openafs:openafs:1.7.29:*:*:*:*:*:*:*
openafs openafs 1.7.30 cpe:2.3:a:openafs:openafs:1.7.30:*:*:*:*:*:*:*
openafs openafs 1.7.31 cpe:2.3:a:openafs:openafs:1.7.31:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

References for CVE-2015-7762

cvelogic Threat Intelligence