CVE-2015-8688

Gajim before 0.16.5 allows remote attackers to modify the roster and intercept messages via a crafted roster-push IQ stanza.

Published: 2016-01-15 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-8688 is rated Moderate Risk (48.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.72%). EPSS rose +1.17% 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-2015-8688

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 0.56% 1.72% +1.17%
2 2025-07-04 0.48% 0.56% +0.07%
3 2025-03-30 — 0.48% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8688

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.5 [email protected]
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2015-8688

OS Trackers for CVE-2015-8688

vendor priority summary link
debian not yet assigned CVE-2015-8688 not yet assigned priority: Debian including 1 source packages (gajim), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-8688
ubuntu medium CVE-2015-8688 medium priority: Ubuntu including 1 source packages (gajim), 12 status rows across 12 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): not-affected 7, ignored 2, released 2, DNE 1. https://ubuntu.com/security/CVE-2015-8688

Affected software / configurations for CVE-2015-8688

Vendor Product Version Raw CPE
gajim gajim <= 0.16.4 cpe:2.3:a:gajim:gajim:*:*:*:*:*:*:*:*

References for CVE-2015-8688

cvelogic Threat Intelligence