CVE-2015-1877

The open_generic_xdg_mime function in xdg-open in xdg-utils 1.1.0 rc1 in Debian, when using dash, does not properly handle local variables, which allows remote attackers to execute arbitrary commands via a crafted file.

Published: 2021-06-02 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-1877 is rated High Risk (68.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.21%). Core evidence: EPSS rose +2.62% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-2015-1877

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 0.59% 3.21% +2.62%
2 2026-05-16 1.70% 0.59% -1.11%
3 2026-03-18 1.70%

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-1877

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P 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:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2015-1877

OS Trackers for CVE-2015-1877

vendor priority summary link
debian not yet assigned CVE-2015-1877 not yet assigned priority: Debian including 1 source packages (xdg-utils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-1877
redhat medium https://access.redhat.com/security/cve/CVE-2015-1877
ubuntu medium CVE-2015-1877 medium priority: Ubuntu including 1 source packages (xdg-utils), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): not-affected 3, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2015-1877

Affected software / configurations for CVE-2015-1877

Vendor Product Version Raw CPE
freedesktop xdg-utils 1.1.0 cpe:2.3:a:freedesktop:xdg-utils:1.1.0:rc1:*:*:*:*:*:*
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-2015-1877

URL Tags
http://www.debian.org/security/2015/dsa-3165 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/02/18/7 Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/02/18/9 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/72675 Third Party Advisory VDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777722 Issue Tracking Mailing List Patch Third Party Advisory
https://bugs.freedesktop.org/show_bug.cgi?id=89129 Issue Tracking Third Party Advisory
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