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CVE-2015-1038· NVD / CVE Program· CNA mitre

p7zip 9.20.1 allows remote attackers to write to arbitrary files via a symlink attack in an archive.

MediumCVSS 5.8 · v2.0—No exploit Fix available
Published
Jan 21, 2015
Updated
Jun 16, 2026
EPSS
3.3% · 88th percentile
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Report tools

JSON

Action score

24

Monitor

Low priority for now.

CVSS
23 / 40 · 5.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 3.3%

Affected systems

VendorProduct
fedoraprojectfedora
oraclesolaris
7-zipp7zip

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • 7-zip p7zip9.20.1
  • fedoraproject fedora22
  • fedoraproject fedora23
  • oracle solaris10.0
  • oracle solaris11.2

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12p7zipbefore 9.20.1~dfsg.1-4.29.20.1~dfsg.1-4.2
Debian:6.0p7zipbefore 9.04~dfsg.1-1+deb6u19.04~dfsg.1-1+deb6u1
Debian:7p7zipbefore 9.20.1~dfsg.1-4+deb7u19.20.1~dfsg.1-4+deb7u1
Debian:8p7zipbefore 9.20.1~dfsg.1-4.1+deb8u19.20.1~dfsg.1-4.1+deb8u1
openSUSE:Tumbleweedp7zipbefore 16.02-2.116.02-2.1
SUSE:Linux Enterprise Desktop 12p7zipbefore 9.20.1-3.29.20.1-3.2

Same product

fedoraproject: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-1111DHCP packages in Red Hat Enterprise Linux 6 and 7, Fedora 28, and earlier are vulnerable to a command injection flaw in the NetworkManager i
    59Plan
  • CVE-2024-24576Rusts's `std::process::Command` did not properly escape arguments of batch files on Windows
    46Plan
  • CVE-2016-7167Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl
    43Plan
  • CVE-2016-2173org.springframework.core.serializer.DefaultDeserializer in Spring AMQP before 1.5.5 allows remote attackers to execute arbitrary code.
    41Plan
  • CVE-2015-0278libuv before 0.10.34 does not properly drop group privileges, which allows context-dependent attackers to gain privileges via unspecified ve
    41Plan
  • CVE-2015-3145The sanitize_cookie_path function in cURL and libcurl 7.31.0 through 7.41.0 does not properly calculate an index, which allows remote attack
    41Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:p7zip9.20.1~dfsg.1-4.2 · Debian:12Package registry (OSV)
opensuse:p7zip16.02-2.1 · openSUSE:TumbleweedPackage registry (OSV)
suse:p7zip9.20.1-3.2 · SUSE:Linux Enterprise Desktop 12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    none
    Integrity
    P · data or configuration can be modified
    Availability
    P · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    P
    Availability impact
    P

    Weakness class (CWE)

    CWE-59 · Improper Link Resolution Before File Access ('Link Following')

    CVSS vector

    AV:N/AC:M/Au:N/C:N/I:P/A:P

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    1. Fix✗ → ✓

    For records you follow, these changes also arrive as notifications. →

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records